Home / 45,016.29-67,512.56-13,417.83

Finding the Fourth Proportional to 45,016.29, 67,512.56 and 13,417.83

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Solution

The fourth proportional to 45,016.29, 67,512.56 and 13,417.83 is: 20,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.29 : 67,512.56 = 13,417.83 : x
  2. Step 2: Convert to fraction form
    45,016.29/67,512.56 = 13,417.83/x
  3. Step 3: Cross multiply
    45,016.29x = 67,512.56 × 13,417.83
  4. Step 4: Simplify right side
    45,016.29x = 905,871,985.86
  5. Step 5: Solve for x
    x = 905,871,985.86/45,016.29
  6. Step 6: Final answer
    x = 20,123.20

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1.5x scale

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.