Home / 66,341.76-91,544.40-38,046.72

Finding the Fourth Proportional to 66,341.76, 91,544.40 and 38,046.72

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Solution

The fourth proportional to 66,341.76, 91,544.40 and 38,046.72 is: 52,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.76 : 91,544.40 = 38,046.72 : x
  2. Step 2: Convert to fraction form
    66,341.76/91,544.40 = 38,046.72/x
  3. Step 3: Cross multiply
    66,341.76x = 91,544.40 × 38,046.72
  4. Step 4: Simplify right side
    66,341.76x = 3,482,964,154.37
  5. Step 5: Solve for x
    x = 3,482,964,154.37/66,341.76
  6. Step 6: Final answer
    x = 52,500.33

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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.