Home / 38,210.40-57,263.76-21,562.20

Finding the Fourth Proportional to 38,210.40, 57,263.76 and 21,562.20

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Solution

The fourth proportional to 38,210.40, 57,263.76 and 21,562.20 is: 32,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210.40 : 57,263.76 = 21,562.20 : x
  2. Step 2: Convert to fraction form
    38,210.40/57,263.76 = 21,562.20/x
  3. Step 3: Cross multiply
    38,210.40x = 57,263.76 × 21,562.20
  4. Step 4: Simplify right side
    38,210.40x = 1,234,732,645.87
  5. Step 5: Solve for x
    x = 1,234,732,645.87/38,210.40
  6. Step 6: Final answer
    x = 32,314.05

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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.