Home / 39,768.60-59,649.30-13,474.20

Finding the Fourth Proportional to 39,768.60, 59,649.30 and 13,474.20

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Solution

The fourth proportional to 39,768.60, 59,649.30 and 13,474.20 is: 20,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.60 : 59,649.30 = 13,474.20 : x
  2. Step 2: Convert to fraction form
    39,768.60/59,649.30 = 13,474.20/x
  3. Step 3: Cross multiply
    39,768.60x = 59,649.30 × 13,474.20
  4. Step 4: Simplify right side
    39,768.60x = 803,726,598.06
  5. Step 5: Solve for x
    x = 803,726,598.06/39,768.60
  6. Step 6: Final answer
    x = 20,210.08

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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.