Home / 84,309.60-126,526.76-39,936.46

Finding the Fourth Proportional to 84,309.60, 126,526.76 and 39,936.46

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Solution

The fourth proportional to 84,309.60, 126,526.76 and 39,936.46 is: 59,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.60 : 126,526.76 = 39,936.46 : x
  2. Step 2: Convert to fraction form
    84,309.60/126,526.76 = 39,936.46/x
  3. Step 3: Cross multiply
    84,309.60x = 126,526.76 × 39,936.46
  4. Step 4: Simplify right side
    84,309.60x = 5,053,030,889.67
  5. Step 5: Solve for x
    x = 5,053,030,889.67/84,309.60
  6. Step 6: Final answer
    x = 59,934.23

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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.