Home / 38,432.76-53,032.49-21,433.02

Finding the Fourth Proportional to 38,432.76, 53,032.49 and 21,433.02

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Solution

The fourth proportional to 38,432.76, 53,032.49 and 21,433.02 is: 29,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.76 : 53,032.49 = 21,433.02 : x
  2. Step 2: Convert to fraction form
    38,432.76/53,032.49 = 21,433.02/x
  3. Step 3: Cross multiply
    38,432.76x = 53,032.49 × 21,433.02
  4. Step 4: Simplify right side
    38,432.76x = 1,136,646,046.49
  5. Step 5: Solve for x
    x = 1,136,646,046.49/38,432.76
  6. Step 6: Final answer
    x = 29,574.93

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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.