Home / 45,031.20-67,546.80-41,402.40

Finding the Fourth Proportional to 45,031.20, 67,546.80 and 41,402.40

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Solution

The fourth proportional to 45,031.20, 67,546.80 and 41,402.40 is: 62,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.20 : 67,546.80 = 41,402.40 : x
  2. Step 2: Convert to fraction form
    45,031.20/67,546.80 = 41,402.40/x
  3. Step 3: Cross multiply
    45,031.20x = 67,546.80 × 41,402.40
  4. Step 4: Simplify right side
    45,031.20x = 2,796,599,632.32
  5. Step 5: Solve for x
    x = 2,796,599,632.32/45,031.20
  6. Step 6: Final answer
    x = 62,103.60

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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.