Home / 39,903.93-59,842.87-13,242.76

Finding the Fourth Proportional to 39,903.93, 59,842.87 and 13,242.76

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Solution

The fourth proportional to 39,903.93, 59,842.87 and 13,242.76 is: 19,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.93 : 59,842.87 = 13,242.76 : x
  2. Step 2: Convert to fraction form
    39,903.93/59,842.87 = 13,242.76/x
  3. Step 3: Cross multiply
    39,903.93x = 59,842.87 × 13,242.76
  4. Step 4: Simplify right side
    39,903.93x = 792,484,432.80
  5. Step 5: Solve for x
    x = 792,484,432.80/39,903.93
  6. Step 6: Final answer
    x = 19,859.81

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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.