Home / 84,984.50-127,479.45-25,820.69

Finding the Fourth Proportional to 84,984.50, 127,479.45 and 25,820.69

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Solution

The fourth proportional to 84,984.50, 127,479.45 and 25,820.69 is: 38,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,984.50 : 127,479.45 = 25,820.69 : x
  2. Step 2: Convert to fraction form
    84,984.50/127,479.45 = 25,820.69/x
  3. Step 3: Cross multiply
    84,984.50x = 127,479.45 × 25,820.69
  4. Step 4: Simplify right side
    84,984.50x = 3,291,607,359.82
  5. Step 5: Solve for x
    x = 3,291,607,359.82/84,984.50
  6. Step 6: Final answer
    x = 38,731.86

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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.