Home / 52,625.40-72,615-29,965.32

Finding the Fourth Proportional to 52,625.40, 72,615 and 29,965.32

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Solution

The fourth proportional to 52,625.40, 72,615 and 29,965.32 is: 41,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625.40 : 72,615 = 29,965.32 : x
  2. Step 2: Convert to fraction form
    52,625.40/72,615 = 29,965.32/x
  3. Step 3: Cross multiply
    52,625.40x = 72,615 × 29,965.32
  4. Step 4: Simplify right side
    52,625.40x = 2,175,931,711.80
  5. Step 5: Solve for x
    x = 2,175,931,711.80/52,625.40
  6. Step 6: Final answer
    x = 41,347.56

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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.