Home / 40,158.28-60,237.06-31,400.56

Finding the Fourth Proportional to 40,158.28, 60,237.06 and 31,400.56

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Solution

The fourth proportional to 40,158.28, 60,237.06 and 31,400.56 is: 47,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.28 : 60,237.06 = 31,400.56 : x
  2. Step 2: Convert to fraction form
    40,158.28/60,237.06 = 31,400.56/x
  3. Step 3: Cross multiply
    40,158.28x = 60,237.06 × 31,400.56
  4. Step 4: Simplify right side
    40,158.28x = 1,891,477,416.75
  5. Step 5: Solve for x
    x = 1,891,477,416.75/40,158.28
  6. Step 6: Final answer
    x = 47,100.56

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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.