Home / 56,395.15-77,820.12-32,517.21

Finding the Fourth Proportional to 56,395.15, 77,820.12 and 32,517.21

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Solution

The fourth proportional to 56,395.15, 77,820.12 and 32,517.21 is: 44,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,395.15 : 77,820.12 = 32,517.21 : x
  2. Step 2: Convert to fraction form
    56,395.15/77,820.12 = 32,517.21/x
  3. Step 3: Cross multiply
    56,395.15x = 77,820.12 × 32,517.21
  4. Step 4: Simplify right side
    56,395.15x = 2,530,492,795.16
  5. Step 5: Solve for x
    x = 2,530,492,795.16/56,395.15
  6. Step 6: Final answer
    x = 44,870.76

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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.