Home / 38,118.40-57,210.08-14,751.52

Finding the Fourth Proportional to 38,118.40, 57,210.08 and 14,751.52

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Solution

The fourth proportional to 38,118.40, 57,210.08 and 14,751.52 is: 22,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,118.40 : 57,210.08 = 14,751.52 : x
  2. Step 2: Convert to fraction form
    38,118.40/57,210.08 = 14,751.52/x
  3. Step 3: Cross multiply
    38,118.40x = 57,210.08 × 14,751.52
  4. Step 4: Simplify right side
    38,118.40x = 843,935,639.32
  5. Step 5: Solve for x
    x = 843,935,639.32/38,118.40
  6. Step 6: Final answer
    x = 22,139.85

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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.