Home / 42,737.79-64,055.46-19,910.85

Finding the Fourth Proportional to 42,737.79, 64,055.46 and 19,910.85

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Solution

The fourth proportional to 42,737.79, 64,055.46 and 19,910.85 is: 29,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,737.79 : 64,055.46 = 19,910.85 : x
  2. Step 2: Convert to fraction form
    42,737.79/64,055.46 = 19,910.85/x
  3. Step 3: Cross multiply
    42,737.79x = 64,055.46 × 19,910.85
  4. Step 4: Simplify right side
    42,737.79x = 1,275,398,655.74
  5. Step 5: Solve for x
    x = 1,275,398,655.74/42,737.79
  6. Step 6: Final answer
    x = 29,842.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.