Home / 31,416.39-43,354.06-17,268.93

Finding the Fourth Proportional to 31,416.39, 43,354.06 and 17,268.93

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Solution

The fourth proportional to 31,416.39, 43,354.06 and 17,268.93 is: 23,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.39 : 43,354.06 = 17,268.93 : x
  2. Step 2: Convert to fraction form
    31,416.39/43,354.06 = 17,268.93/x
  3. Step 3: Cross multiply
    31,416.39x = 43,354.06 × 17,268.93
  4. Step 4: Simplify right side
    31,416.39x = 748,678,184.18
  5. Step 5: Solve for x
    x = 748,678,184.18/31,416.39
  6. Step 6: Final answer
    x = 23,830.82

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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.