Home / 38,475.09-57,715.93-13,512.97

Finding the Fourth Proportional to 38,475.09, 57,715.93 and 13,512.97

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Solution

The fourth proportional to 38,475.09, 57,715.93 and 13,512.97 is: 20,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.09 : 57,715.93 = 13,512.97 : x
  2. Step 2: Convert to fraction form
    38,475.09/57,715.93 = 13,512.97/x
  3. Step 3: Cross multiply
    38,475.09x = 57,715.93 × 13,512.97
  4. Step 4: Simplify right side
    38,475.09x = 779,913,274.47
  5. Step 5: Solve for x
    x = 779,913,274.47/38,475.09
  6. Step 6: Final answer
    x = 20,270.60

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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.