Home / 74,728.23-112,080.60-20,680.17

Finding the Fourth Proportional to 74,728.23, 112,080.60 and 20,680.17

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Solution

The fourth proportional to 74,728.23, 112,080.60 and 20,680.17 is: 31,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,728.23 : 112,080.60 = 20,680.17 : x
  2. Step 2: Convert to fraction form
    74,728.23/112,080.60 = 20,680.17/x
  3. Step 3: Cross multiply
    74,728.23x = 112,080.60 × 20,680.17
  4. Step 4: Simplify right side
    74,728.23x = 2,317,845,861.70
  5. Step 5: Solve for x
    x = 2,317,845,861.70/74,728.23
  6. Step 6: Final answer
    x = 31,017.00

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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.