Home / 39,214.40-58,822.98-12,561.20

Finding the Fourth Proportional to 39,214.40, 58,822.98 and 12,561.20

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Solution

The fourth proportional to 39,214.40, 58,822.98 and 12,561.20 is: 18,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.40 : 58,822.98 = 12,561.20 : x
  2. Step 2: Convert to fraction form
    39,214.40/58,822.98 = 12,561.20/x
  3. Step 3: Cross multiply
    39,214.40x = 58,822.98 × 12,561.20
  4. Step 4: Simplify right side
    39,214.40x = 738,887,216.38
  5. Step 5: Solve for x
    x = 738,887,216.38/39,214.40
  6. Step 6: Final answer
    x = 18,842.24

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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.