Home / 38,266.76-52,809.11-21,038.91

Finding the Fourth Proportional to 38,266.76, 52,809.11 and 21,038.91

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Solution

The fourth proportional to 38,266.76, 52,809.11 and 21,038.91 is: 29,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.76 : 52,809.11 = 21,038.91 : x
  2. Step 2: Convert to fraction form
    38,266.76/52,809.11 = 21,038.91/x
  3. Step 3: Cross multiply
    38,266.76x = 52,809.11 × 21,038.91
  4. Step 4: Simplify right side
    38,266.76x = 1,111,046,007.28
  5. Step 5: Solve for x
    x = 1,111,046,007.28/38,266.76
  6. Step 6: Final answer
    x = 29,034.24

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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.