Home / 40,785.16-61,155.72-12,693.04

Finding the Fourth Proportional to 40,785.16, 61,155.72 and 12,693.04

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Solution

The fourth proportional to 40,785.16, 61,155.72 and 12,693.04 is: 19,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.16 : 61,155.72 = 12,693.04 : x
  2. Step 2: Convert to fraction form
    40,785.16/61,155.72 = 12,693.04/x
  3. Step 3: Cross multiply
    40,785.16x = 61,155.72 × 12,693.04
  4. Step 4: Simplify right side
    40,785.16x = 776,252,000.19
  5. Step 5: Solve for x
    x = 776,252,000.19/40,785.16
  6. Step 6: Final answer
    x = 19,032.71

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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.