Home / 55,592.80-76,718.12-30,099.18

Finding the Fourth Proportional to 55,592.80, 76,718.12 and 30,099.18

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Solution

The fourth proportional to 55,592.80, 76,718.12 and 30,099.18 is: 41,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.80 : 76,718.12 = 30,099.18 : x
  2. Step 2: Convert to fraction form
    55,592.80/76,718.12 = 30,099.18/x
  3. Step 3: Cross multiply
    55,592.80x = 76,718.12 × 30,099.18
  4. Step 4: Simplify right side
    55,592.80x = 2,309,152,503.14
  5. Step 5: Solve for x
    x = 2,309,152,503.14/55,592.80
  6. Step 6: Final answer
    x = 41,536.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.