Home / 38,013.16-52,456.83-20,785.93

Finding the Fourth Proportional to 38,013.16, 52,456.83 and 20,785.93

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Solution

The fourth proportional to 38,013.16, 52,456.83 and 20,785.93 is: 28,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.16 : 52,456.83 = 20,785.93 : x
  2. Step 2: Convert to fraction form
    38,013.16/52,456.83 = 20,785.93/x
  3. Step 3: Cross multiply
    38,013.16x = 52,456.83 × 20,785.93
  4. Step 4: Simplify right side
    38,013.16x = 1,090,363,837.43
  5. Step 5: Solve for x
    x = 1,090,363,837.43/38,013.16
  6. Step 6: Final answer
    x = 28,683.85

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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.