Home / 38,432.32-53,036.67-21,437.66

Finding the Fourth Proportional to 38,432.32, 53,036.67 and 21,437.66

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Solution

The fourth proportional to 38,432.32, 53,036.67 and 21,437.66 is: 29,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.32 : 53,036.67 = 21,437.66 : x
  2. Step 2: Convert to fraction form
    38,432.32/53,036.67 = 21,437.66/x
  3. Step 3: Cross multiply
    38,432.32x = 53,036.67 × 21,437.66
  4. Step 4: Simplify right side
    38,432.32x = 1,136,982,311.98
  5. Step 5: Solve for x
    x = 1,136,982,311.98/38,432.32
  6. Step 6: Final answer
    x = 29,584.01

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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.