Home / 40,434.06-60,653.34-12,358.38

Finding the Fourth Proportional to 40,434.06, 60,653.34 and 12,358.38

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Solution

The fourth proportional to 40,434.06, 60,653.34 and 12,358.38 is: 18,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434.06 : 60,653.34 = 12,358.38 : x
  2. Step 2: Convert to fraction form
    40,434.06/60,653.34 = 12,358.38/x
  3. Step 3: Cross multiply
    40,434.06x = 60,653.34 × 12,358.38
  4. Step 4: Simplify right side
    40,434.06x = 749,577,023.99
  5. Step 5: Solve for x
    x = 749,577,023.99/40,434.06
  6. Step 6: Final answer
    x = 18,538.26

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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.