Home / 42,069.66-63,061.80-27,288

Finding the Fourth Proportional to 42,069.66, 63,061.80 and 27,288

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Solution

The fourth proportional to 42,069.66, 63,061.80 and 27,288 is: 40,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,069.66 : 63,061.80 = 27,288 : x
  2. Step 2: Convert to fraction form
    42,069.66/63,061.80 = 27,288/x
  3. Step 3: Cross multiply
    42,069.66x = 63,061.80 × 27,288
  4. Step 4: Simplify right side
    42,069.66x = 1,720,830,398.40
  5. Step 5: Solve for x
    x = 1,720,830,398.40/42,069.66
  6. Step 6: Final answer
    x = 40,904.31

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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.