Home / 42,789.84-59,030.09-27,687.36

Finding the Fourth Proportional to 42,789.84, 59,030.09 and 27,687.36

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Solution

The fourth proportional to 42,789.84, 59,030.09 and 27,687.36 is: 38,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,789.84 : 59,030.09 = 27,687.36 : x
  2. Step 2: Convert to fraction form
    42,789.84/59,030.09 = 27,687.36/x
  3. Step 3: Cross multiply
    42,789.84x = 59,030.09 × 27,687.36
  4. Step 4: Simplify right side
    42,789.84x = 1,634,387,539.42
  5. Step 5: Solve for x
    x = 1,634,387,539.42/42,789.84
  6. Step 6: Final answer
    x = 38,195.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.