Home / 40,434.06-60,660.32-12,358.11

Finding the Fourth Proportional to 40,434.06, 60,660.32 and 12,358.11

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Solution

The fourth proportional to 40,434.06, 60,660.32 and 12,358.11 is: 18,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434.06 : 60,660.32 = 12,358.11 : x
  2. Step 2: Convert to fraction form
    40,434.06/60,660.32 = 12,358.11/x
  3. Step 3: Cross multiply
    40,434.06x = 60,660.32 × 12,358.11
  4. Step 4: Simplify right side
    40,434.06x = 749,646,907.20
  5. Step 5: Solve for x
    x = 749,646,907.20/40,434.06
  6. Step 6: Final answer
    x = 18,539.99

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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.