Home / 45,007.76-67,521.22-15,417.66

Finding the Fourth Proportional to 45,007.76, 67,521.22 and 15,417.66

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Solution

The fourth proportional to 45,007.76, 67,521.22 and 15,417.66 is: 23,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.76 : 67,521.22 = 15,417.66 : x
  2. Step 2: Convert to fraction form
    45,007.76/67,521.22 = 15,417.66/x
  3. Step 3: Cross multiply
    45,007.76x = 67,521.22 × 15,417.66
  4. Step 4: Simplify right side
    45,007.76x = 1,041,019,212.75
  5. Step 5: Solve for x
    x = 1,041,019,212.75/45,007.76
  6. Step 6: Final answer
    x = 23,129.77

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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.