Home / 52,312.78-72,190.12-29,653.86

Finding the Fourth Proportional to 52,312.78, 72,190.12 and 29,653.86

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Solution

The fourth proportional to 52,312.78, 72,190.12 and 29,653.86 is: 40,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.78 : 72,190.12 = 29,653.86 : x
  2. Step 2: Convert to fraction form
    52,312.78/72,190.12 = 29,653.86/x
  3. Step 3: Cross multiply
    52,312.78x = 72,190.12 × 29,653.86
  4. Step 4: Simplify right side
    52,312.78x = 2,140,715,711.86
  5. Step 5: Solve for x
    x = 2,140,715,711.86/52,312.78
  6. Step 6: Final answer
    x = 40,921.47

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1.5x scale

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.