Home / 42,737.44-64,100.76-13,155.16

Finding the Fourth Proportional to 42,737.44, 64,100.76 and 13,155.16

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Solution

The fourth proportional to 42,737.44, 64,100.76 and 13,155.16 is: 19,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,737.44 : 64,100.76 = 13,155.16 : x
  2. Step 2: Convert to fraction form
    42,737.44/64,100.76 = 13,155.16/x
  3. Step 3: Cross multiply
    42,737.44x = 64,100.76 × 13,155.16
  4. Step 4: Simplify right side
    42,737.44x = 843,255,753.92
  5. Step 5: Solve for x
    x = 843,255,753.92/42,737.44
  6. Step 6: Final answer
    x = 19,731.08

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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.