Home / 42,539.40-63,809.12-17,551.99

Finding the Fourth Proportional to 42,539.40, 63,809.12 and 17,551.99

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Solution

The fourth proportional to 42,539.40, 63,809.12 and 17,551.99 is: 26,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.40 : 63,809.12 = 17,551.99 : x
  2. Step 2: Convert to fraction form
    42,539.40/63,809.12 = 17,551.99/x
  3. Step 3: Cross multiply
    42,539.40x = 63,809.12 × 17,551.99
  4. Step 4: Simplify right side
    42,539.40x = 1,119,977,036.15
  5. Step 5: Solve for x
    x = 1,119,977,036.15/42,539.40
  6. Step 6: Final answer
    x = 26,327.99

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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.