Home / 71,025.39-98,031.82-40,828.23

Finding the Fourth Proportional to 71,025.39, 98,031.82 and 40,828.23

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Solution

The fourth proportional to 71,025.39, 98,031.82 and 40,828.23 is: 56,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.39 : 98,031.82 = 40,828.23 : x
  2. Step 2: Convert to fraction form
    71,025.39/98,031.82 = 40,828.23/x
  3. Step 3: Cross multiply
    71,025.39x = 98,031.82 × 40,828.23
  4. Step 4: Simplify right side
    71,025.39x = 4,002,465,490.14
  5. Step 5: Solve for x
    x = 4,002,465,490.14/71,025.39
  6. Step 6: Final answer
    x = 56,352.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.