Home / 38,737.04-53,454.87-21,739.70

Finding the Fourth Proportional to 38,737.04, 53,454.87 and 21,739.70

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Solution

The fourth proportional to 38,737.04, 53,454.87 and 21,739.70 is: 29,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.04 : 53,454.87 = 21,739.70 : x
  2. Step 2: Convert to fraction form
    38,737.04/53,454.87 = 21,739.70/x
  3. Step 3: Cross multiply
    38,737.04x = 53,454.87 × 21,739.70
  4. Step 4: Simplify right side
    38,737.04x = 1,162,092,837.34
  5. Step 5: Solve for x
    x = 1,162,092,837.34/38,737.04
  6. Step 6: Final answer
    x = 29,999.53

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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.