Home / 42,225.84-63,332.28-18,848.16

Finding the Fourth Proportional to 42,225.84, 63,332.28 and 18,848.16

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Solution

The fourth proportional to 42,225.84, 63,332.28 and 18,848.16 is: 28,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,225.84 : 63,332.28 = 18,848.16 : x
  2. Step 2: Convert to fraction form
    42,225.84/63,332.28 = 18,848.16/x
  3. Step 3: Cross multiply
    42,225.84x = 63,332.28 × 18,848.16
  4. Step 4: Simplify right side
    42,225.84x = 1,193,696,946.60
  5. Step 5: Solve for x
    x = 1,193,696,946.60/42,225.84
  6. Step 6: Final answer
    x = 28,269.35

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1.5x scale

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.