Home / 38,504.04-53,135.10-21,737.40

Finding the Fourth Proportional to 38,504.04, 53,135.10 and 21,737.40

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Solution

The fourth proportional to 38,504.04, 53,135.10 and 21,737.40 is: 29,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.04 : 53,135.10 = 21,737.40 : x
  2. Step 2: Convert to fraction form
    38,504.04/53,135.10 = 21,737.40/x
  3. Step 3: Cross multiply
    38,504.04x = 53,135.10 × 21,737.40
  4. Step 4: Simplify right side
    38,504.04x = 1,155,018,922.74
  5. Step 5: Solve for x
    x = 1,155,018,922.74/38,504.04
  6. Step 6: Final answer
    x = 29,997.34

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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.