Home / 42,451.33-63,673.33-14,370.78

Finding the Fourth Proportional to 42,451.33, 63,673.33 and 14,370.78

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Solution

The fourth proportional to 42,451.33, 63,673.33 and 14,370.78 is: 21,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,451.33 : 63,673.33 = 14,370.78 : x
  2. Step 2: Convert to fraction form
    42,451.33/63,673.33 = 14,370.78/x
  3. Step 3: Cross multiply
    42,451.33x = 63,673.33 × 14,370.78
  4. Step 4: Simplify right side
    42,451.33x = 915,035,417.30
  5. Step 5: Solve for x
    x = 915,035,417.30/42,451.33
  6. Step 6: Final answer
    x = 21,554.93

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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.