Home / 84,559.84-126,828.80-31,962.48

Finding the Fourth Proportional to 84,559.84, 126,828.80 and 31,962.48

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Solution

The fourth proportional to 84,559.84, 126,828.80 and 31,962.48 is: 47,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.84 : 126,828.80 = 31,962.48 : x
  2. Step 2: Convert to fraction form
    84,559.84/126,828.80 = 31,962.48/x
  3. Step 3: Cross multiply
    84,559.84x = 126,828.80 × 31,962.48
  4. Step 4: Simplify right side
    84,559.84x = 4,053,762,983.42
  5. Step 5: Solve for x
    x = 4,053,762,983.42/84,559.84
  6. Step 6: Final answer
    x = 47,939.58

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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.