Home / 77,443.16-116,166.02-21,282.92

Finding the Fourth Proportional to 77,443.16, 116,166.02 and 21,282.92

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Solution

The fourth proportional to 77,443.16, 116,166.02 and 21,282.92 is: 31,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443.16 : 116,166.02 = 21,282.92 : x
  2. Step 2: Convert to fraction form
    77,443.16/116,166.02 = 21,282.92/x
  3. Step 3: Cross multiply
    77,443.16x = 116,166.02 × 21,282.92
  4. Step 4: Simplify right side
    77,443.16x = 2,472,352,454.00
  5. Step 5: Solve for x
    x = 2,472,352,454.00/77,443.16
  6. Step 6: Final answer
    x = 31,924.74

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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.