Home / 37,862.18-52,250.87-21,730.88

Finding the Fourth Proportional to 37,862.18, 52,250.87 and 21,730.88

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Solution

The fourth proportional to 37,862.18, 52,250.87 and 21,730.88 is: 29,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,862.18 : 52,250.87 = 21,730.88 : x
  2. Step 2: Convert to fraction form
    37,862.18/52,250.87 = 21,730.88/x
  3. Step 3: Cross multiply
    37,862.18x = 52,250.87 × 21,730.88
  4. Step 4: Simplify right side
    37,862.18x = 1,135,457,570.82
  5. Step 5: Solve for x
    x = 1,135,457,570.82/37,862.18
  6. Step 6: Final answer
    x = 29,989.23

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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.