Home / 42,387.51-63,574.07-11,225.91

Finding the Fourth Proportional to 42,387.51, 63,574.07 and 11,225.91

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Solution

The fourth proportional to 42,387.51, 63,574.07 and 11,225.91 is: 16,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.51 : 63,574.07 = 11,225.91 : x
  2. Step 2: Convert to fraction form
    42,387.51/63,574.07 = 11,225.91/x
  3. Step 3: Cross multiply
    42,387.51x = 63,574.07 × 11,225.91
  4. Step 4: Simplify right side
    42,387.51x = 713,676,732.02
  5. Step 5: Solve for x
    x = 713,676,732.02/42,387.51
  6. Step 6: Final answer
    x = 16,836.96

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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.