Home / 42,737.60-64,104.96-19,347.68

Finding the Fourth Proportional to 42,737.60, 64,104.96 and 19,347.68

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Solution

The fourth proportional to 42,737.60, 64,104.96 and 19,347.68 is: 29,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,737.60 : 64,104.96 = 19,347.68 : x
  2. Step 2: Convert to fraction form
    42,737.60/64,104.96 = 19,347.68/x
  3. Step 3: Cross multiply
    42,737.60x = 64,104.96 × 19,347.68
  4. Step 4: Simplify right side
    42,737.60x = 1,240,282,252.49
  5. Step 5: Solve for x
    x = 1,240,282,252.49/42,737.60
  6. Step 6: Final answer
    x = 29,020.87

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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.