Home / 56,375.16-84,605.58-20,870.10

Finding the Fourth Proportional to 56,375.16, 84,605.58 and 20,870.10

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Solution

The fourth proportional to 56,375.16, 84,605.58 and 20,870.10 is: 31,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.16 : 84,605.58 = 20,870.10 : x
  2. Step 2: Convert to fraction form
    56,375.16/84,605.58 = 20,870.10/x
  3. Step 3: Cross multiply
    56,375.16x = 84,605.58 × 20,870.10
  4. Step 4: Simplify right side
    56,375.16x = 1,765,726,915.16
  5. Step 5: Solve for x
    x = 1,765,726,915.16/56,375.16
  6. Step 6: Final answer
    x = 31,321.01

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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.