Home / 45,070.24-67,607.04-13,480.71

Finding the Fourth Proportional to 45,070.24, 67,607.04 and 13,480.71

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Solution

The fourth proportional to 45,070.24, 67,607.04 and 13,480.71 is: 20,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.24 : 67,607.04 = 13,480.71 : x
  2. Step 2: Convert to fraction form
    45,070.24/67,607.04 = 13,480.71/x
  3. Step 3: Cross multiply
    45,070.24x = 67,607.04 × 13,480.71
  4. Step 4: Simplify right side
    45,070.24x = 911,390,494.76
  5. Step 5: Solve for x
    x = 911,390,494.76/45,070.24
  6. Step 6: Final answer
    x = 20,221.56

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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.