Home / 71,037.47-98,031.51-39,206.15

Finding the Fourth Proportional to 71,037.47, 98,031.51 and 39,206.15

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Solution

The fourth proportional to 71,037.47, 98,031.51 and 39,206.15 is: 54,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.47 : 98,031.51 = 39,206.15 : x
  2. Step 2: Convert to fraction form
    71,037.47/98,031.51 = 39,206.15/x
  3. Step 3: Cross multiply
    71,037.47x = 98,031.51 × 39,206.15
  4. Step 4: Simplify right side
    71,037.47x = 3,843,437,399.60
  5. Step 5: Solve for x
    x = 3,843,437,399.60/71,037.47
  6. Step 6: Final answer
    x = 54,104.37

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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.