Home / 84,686.06-127,029.14-21,510.92

Finding the Fourth Proportional to 84,686.06, 127,029.14 and 21,510.92

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Solution

The fourth proportional to 84,686.06, 127,029.14 and 21,510.92 is: 32,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,686.06 : 127,029.14 = 21,510.92 : x
  2. Step 2: Convert to fraction form
    84,686.06/127,029.14 = 21,510.92/x
  3. Step 3: Cross multiply
    84,686.06x = 127,029.14 × 21,510.92
  4. Step 4: Simplify right side
    84,686.06x = 2,732,513,668.21
  5. Step 5: Solve for x
    x = 2,732,513,668.21/84,686.06
  6. Step 6: Final answer
    x = 32,266.39

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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.