Home / 38,649.35-57,972.15-22,647.80

Finding the Fourth Proportional to 38,649.35, 57,972.15 and 22,647.80

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Solution

The fourth proportional to 38,649.35, 57,972.15 and 22,647.80 is: 33,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.35 : 57,972.15 = 22,647.80 : x
  2. Step 2: Convert to fraction form
    38,649.35/57,972.15 = 22,647.80/x
  3. Step 3: Cross multiply
    38,649.35x = 57,972.15 × 22,647.80
  4. Step 4: Simplify right side
    38,649.35x = 1,312,941,368.91
  5. Step 5: Solve for x
    x = 1,312,941,368.91/38,649.35
  6. Step 6: Final answer
    x = 33,970.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.