Home / 40,364.20-60,416.70-31,551.40

Finding the Fourth Proportional to 40,364.20, 60,416.70 and 31,551.40

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Solution

The fourth proportional to 40,364.20, 60,416.70 and 31,551.40 is: 47,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.20 : 60,416.70 = 31,551.40 : x
  2. Step 2: Convert to fraction form
    40,364.20/60,416.70 = 31,551.40/x
  3. Step 3: Cross multiply
    40,364.20x = 60,416.70 × 31,551.40
  4. Step 4: Simplify right side
    40,364.20x = 1,906,231,468.38
  5. Step 5: Solve for x
    x = 1,906,231,468.38/40,364.20
  6. Step 6: Final answer
    x = 47,225.80

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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.