Home / 42,459.87-63,689.81-19,058.97

Finding the Fourth Proportional to 42,459.87, 63,689.81 and 19,058.97

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Solution

The fourth proportional to 42,459.87, 63,689.81 and 19,058.97 is: 28,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.87 : 63,689.81 = 19,058.97 : x
  2. Step 2: Convert to fraction form
    42,459.87/63,689.81 = 19,058.97/x
  3. Step 3: Cross multiply
    42,459.87x = 63,689.81 × 19,058.97
  4. Step 4: Simplify right side
    42,459.87x = 1,213,862,178.10
  5. Step 5: Solve for x
    x = 1,213,862,178.10/42,459.87
  6. Step 6: Final answer
    x = 28,588.46

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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.