Home / 56,143.04-84,148.92-31,171.12

Finding the Fourth Proportional to 56,143.04, 84,148.92 and 31,171.12

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Solution

The fourth proportional to 56,143.04, 84,148.92 and 31,171.12 is: 46,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.04 : 84,148.92 = 31,171.12 : x
  2. Step 2: Convert to fraction form
    56,143.04/84,148.92 = 31,171.12/x
  3. Step 3: Cross multiply
    56,143.04x = 84,148.92 × 31,171.12
  4. Step 4: Simplify right side
    56,143.04x = 2,623,016,083.19
  5. Step 5: Solve for x
    x = 2,623,016,083.19/56,143.04
  6. Step 6: Final answer
    x = 46,720.24

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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.