Home / 56,820.70-85,217.38-17,378.16

Finding the Fourth Proportional to 56,820.70, 85,217.38 and 17,378.16

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Solution

The fourth proportional to 56,820.70, 85,217.38 and 17,378.16 is: 26,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,820.70 : 85,217.38 = 17,378.16 : x
  2. Step 2: Convert to fraction form
    56,820.70/85,217.38 = 17,378.16/x
  3. Step 3: Cross multiply
    56,820.70x = 85,217.38 × 17,378.16
  4. Step 4: Simplify right side
    56,820.70x = 1,480,920,860.06
  5. Step 5: Solve for x
    x = 1,480,920,860.06/56,820.70
  6. Step 6: Final answer
    x = 26,063.05

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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.