Home / 40,367.52-60,547.44-12,660.64

Finding the Fourth Proportional to 40,367.52, 60,547.44 and 12,660.64

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Solution

The fourth proportional to 40,367.52, 60,547.44 and 12,660.64 is: 18,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.52 : 60,547.44 = 12,660.64 : x
  2. Step 2: Convert to fraction form
    40,367.52/60,547.44 = 12,660.64/x
  3. Step 3: Cross multiply
    40,367.52x = 60,547.44 × 12,660.64
  4. Step 4: Simplify right side
    40,367.52x = 766,569,340.76
  5. Step 5: Solve for x
    x = 766,569,340.76/40,367.52
  6. Step 6: Final answer
    x = 18,989.76

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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.