Home / 84,224.85-126,300.28-31,597.46

Finding the Fourth Proportional to 84,224.85, 126,300.28 and 31,597.46

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Solution

The fourth proportional to 84,224.85, 126,300.28 and 31,597.46 is: 47,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,224.85 : 126,300.28 = 31,597.46 : x
  2. Step 2: Convert to fraction form
    84,224.85/126,300.28 = 31,597.46/x
  3. Step 3: Cross multiply
    84,224.85x = 126,300.28 × 31,597.46
  4. Step 4: Simplify right side
    84,224.85x = 3,990,768,045.29
  5. Step 5: Solve for x
    x = 3,990,768,045.29/84,224.85
  6. Step 6: Final answer
    x = 47,382.31

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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.