Home / 38,498.02-53,123.51-21,500.91

Finding the Fourth Proportional to 38,498.02, 53,123.51 and 21,500.91

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Solution

The fourth proportional to 38,498.02, 53,123.51 and 21,500.91 is: 29,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.02 : 53,123.51 = 21,500.91 : x
  2. Step 2: Convert to fraction form
    38,498.02/53,123.51 = 21,500.91/x
  3. Step 3: Cross multiply
    38,498.02x = 53,123.51 × 21,500.91
  4. Step 4: Simplify right side
    38,498.02x = 1,142,203,861.15
  5. Step 5: Solve for x
    x = 1,142,203,861.15/38,498.02
  6. Step 6: Final answer
    x = 29,669.16

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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.