Home / 57,003.16-85,522.02-40,395.32

Finding the Fourth Proportional to 57,003.16, 85,522.02 and 40,395.32

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Solution

The fourth proportional to 57,003.16, 85,522.02 and 40,395.32 is: 60,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.16 : 85,522.02 = 40,395.32 : x
  2. Step 2: Convert to fraction form
    57,003.16/85,522.02 = 40,395.32/x
  3. Step 3: Cross multiply
    57,003.16x = 85,522.02 × 40,395.32
  4. Step 4: Simplify right side
    57,003.16x = 3,454,689,364.95
  5. Step 5: Solve for x
    x = 3,454,689,364.95/57,003.16
  6. Step 6: Final answer
    x = 60,605.23

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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.