Home / 39,820.82-59,731.70-13,527.61

Finding the Fourth Proportional to 39,820.82, 59,731.70 and 13,527.61

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Solution

The fourth proportional to 39,820.82, 59,731.70 and 13,527.61 is: 20,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.82 : 59,731.70 = 13,527.61 : x
  2. Step 2: Convert to fraction form
    39,820.82/59,731.70 = 13,527.61/x
  3. Step 3: Cross multiply
    39,820.82x = 59,731.70 × 13,527.61
  4. Step 4: Simplify right side
    39,820.82x = 808,026,925.27
  5. Step 5: Solve for x
    x = 808,026,925.27/39,820.82
  6. Step 6: Final answer
    x = 20,291.57

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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.