Home / 83,004.30-124,506.72-20,674.80

Finding the Fourth Proportional to 83,004.30, 124,506.72 and 20,674.80

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Solution

The fourth proportional to 83,004.30, 124,506.72 and 20,674.80 is: 31,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,004.30 : 124,506.72 = 20,674.80 : x
  2. Step 2: Convert to fraction form
    83,004.30/124,506.72 = 20,674.80/x
  3. Step 3: Cross multiply
    83,004.30x = 124,506.72 × 20,674.80
  4. Step 4: Simplify right side
    83,004.30x = 2,574,151,534.66
  5. Step 5: Solve for x
    x = 2,574,151,534.66/83,004.30
  6. Step 6: Final answer
    x = 31,012.27

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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.