Home / 40,387.28-60,712.13-40,190.45

Finding the Fourth Proportional to 40,387.28, 60,712.13 and 40,190.45

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Solution

The fourth proportional to 40,387.28, 60,712.13 and 40,190.45 is: 60,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.28 : 60,712.13 = 40,190.45 : x
  2. Step 2: Convert to fraction form
    40,387.28/60,712.13 = 40,190.45/x
  3. Step 3: Cross multiply
    40,387.28x = 60,712.13 × 40,190.45
  4. Step 4: Simplify right side
    40,387.28x = 2,440,047,622.07
  5. Step 5: Solve for x
    x = 2,440,047,622.07/40,387.28
  6. Step 6: Final answer
    x = 60,416.25

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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.