Home / 42,565.70-63,751.51-20,394.84

Finding the Fourth Proportional to 42,565.70, 63,751.51 and 20,394.84

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Solution

The fourth proportional to 42,565.70, 63,751.51 and 20,394.84 is: 30,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565.70 : 63,751.51 = 20,394.84 : x
  2. Step 2: Convert to fraction form
    42,565.70/63,751.51 = 20,394.84/x
  3. Step 3: Cross multiply
    42,565.70x = 63,751.51 × 20,394.84
  4. Step 4: Simplify right side
    42,565.70x = 1,300,201,637.45
  5. Step 5: Solve for x
    x = 1,300,201,637.45/42,565.70
  6. Step 6: Final answer
    x = 30,545.76

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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.