Home / 55,729.50-83,607.21-40,119.18

Finding the Fourth Proportional to 55,729.50, 83,607.21 and 40,119.18

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Solution

The fourth proportional to 55,729.50, 83,607.21 and 40,119.18 is: 60,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.50 : 83,607.21 = 40,119.18 : x
  2. Step 2: Convert to fraction form
    55,729.50/83,607.21 = 40,119.18/x
  3. Step 3: Cross multiply
    55,729.50x = 83,607.21 × 40,119.18
  4. Step 4: Simplify right side
    55,729.50x = 3,354,252,707.29
  5. Step 5: Solve for x
    x = 3,354,252,707.29/55,729.50
  6. Step 6: Final answer
    x = 60,188.10

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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.