Home / 30,295.16-45,463.50-10,573.72

Finding the Fourth Proportional to 30,295.16, 45,463.50 and 10,573.72

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Solution

The fourth proportional to 30,295.16, 45,463.50 and 10,573.72 is: 15,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.16 : 45,463.50 = 10,573.72 : x
  2. Step 2: Convert to fraction form
    30,295.16/45,463.50 = 10,573.72/x
  3. Step 3: Cross multiply
    30,295.16x = 45,463.50 × 10,573.72
  4. Step 4: Simplify right side
    30,295.16x = 480,718,290.81
  5. Step 5: Solve for x
    x = 480,718,290.81/30,295.16
  6. Step 6: Final answer
    x = 15,867.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.