Home / 42,545.28-63,851.94-19,173.54

Finding the Fourth Proportional to 42,545.28, 63,851.94 and 19,173.54

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Solution

The fourth proportional to 42,545.28, 63,851.94 and 19,173.54 is: 28,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.28 : 63,851.94 = 19,173.54 : x
  2. Step 2: Convert to fraction form
    42,545.28/63,851.94 = 19,173.54/x
  3. Step 3: Cross multiply
    42,545.28x = 63,851.94 × 19,173.54
  4. Step 4: Simplify right side
    42,545.28x = 1,224,267,725.67
  5. Step 5: Solve for x
    x = 1,224,267,725.67/42,545.28
  6. Step 6: Final answer
    x = 28,775.64

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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.