Home / 30,965,178.48-42,668,981.06-23,953,275.72

Finding the Fourth Proportional to 30,965,178.48, 42,668,981.06 and 23,953,275.72

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Solution

The fourth proportional to 30,965,178.48, 42,668,981.06 and 23,953,275.72 is: 33,006,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965,178.48 : 42,668,981.06 = 23,953,275.72 : x
  2. Step 2: Convert to fraction form
    30,965,178.48/42,668,981.06 = 23,953,275.72/x
  3. Step 3: Cross multiply
    30,965,178.48x = 42,668,981.06 × 23,953,275.72
  4. Step 4: Simplify right side
    30,965,178.48x = 1,022,061,867,901,871.38
  5. Step 5: Solve for x
    x = 1,022,061,867,901,871.38/30,965,178.48
  6. Step 6: Final answer
    x = 33,006,813.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.