Home / 38,500.02-53,126.27-21,502.91

Finding the Fourth Proportional to 38,500.02, 53,126.27 and 21,502.91

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Solution

The fourth proportional to 38,500.02, 53,126.27 and 21,502.91 is: 29,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.02 : 53,126.27 = 21,502.91 : x
  2. Step 2: Convert to fraction form
    38,500.02/53,126.27 = 21,502.91/x
  3. Step 3: Cross multiply
    38,500.02x = 53,126.27 × 21,502.91
  4. Step 4: Simplify right side
    38,500.02x = 1,142,369,402.45
  5. Step 5: Solve for x
    x = 1,142,369,402.45/38,500.02
  6. Step 6: Final answer
    x = 29,671.92

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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.