Home / 38,047.90-57,079.63-13,084.71

Finding the Fourth Proportional to 38,047.90, 57,079.63 and 13,084.71

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Solution

The fourth proportional to 38,047.90, 57,079.63 and 13,084.71 is: 19,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,047.90 : 57,079.63 = 13,084.71 : x
  2. Step 2: Convert to fraction form
    38,047.90/57,079.63 = 13,084.71/x
  3. Step 3: Cross multiply
    38,047.90x = 57,079.63 × 13,084.71
  4. Step 4: Simplify right side
    38,047.90x = 746,870,405.46
  5. Step 5: Solve for x
    x = 746,870,405.46/38,047.90
  6. Step 6: Final answer
    x = 19,629.74

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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.