Home / 56,639.10-84,960.09-31,665.18

Finding the Fourth Proportional to 56,639.10, 84,960.09 and 31,665.18

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Solution

The fourth proportional to 56,639.10, 84,960.09 and 31,665.18 is: 47,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.10 : 84,960.09 = 31,665.18 : x
  2. Step 2: Convert to fraction form
    56,639.10/84,960.09 = 31,665.18/x
  3. Step 3: Cross multiply
    56,639.10x = 84,960.09 × 31,665.18
  4. Step 4: Simplify right side
    56,639.10x = 2,690,276,542.67
  5. Step 5: Solve for x
    x = 2,690,276,542.67/56,639.10
  6. Step 6: Final answer
    x = 47,498.58

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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.