Home / 71,330.24-98,434.54-39,498.46

Finding the Fourth Proportional to 71,330.24, 98,434.54 and 39,498.46

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Solution

The fourth proportional to 71,330.24, 98,434.54 and 39,498.46 is: 54,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.24 : 98,434.54 = 39,498.46 : x
  2. Step 2: Convert to fraction form
    71,330.24/98,434.54 = 39,498.46/x
  3. Step 3: Cross multiply
    71,330.24x = 98,434.54 × 39,498.46
  4. Step 4: Simplify right side
    71,330.24x = 3,888,012,395.98
  5. Step 5: Solve for x
    x = 3,888,012,395.98/71,330.24
  6. Step 6: Final answer
    x = 54,507.21

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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.