Home / 62,916.12-86,821.20-34,621.20

Finding the Fourth Proportional to 62,916.12, 86,821.20 and 34,621.20

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Solution

The fourth proportional to 62,916.12, 86,821.20 and 34,621.20 is: 47,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,916.12 : 86,821.20 = 34,621.20 : x
  2. Step 2: Convert to fraction form
    62,916.12/86,821.20 = 34,621.20/x
  3. Step 3: Cross multiply
    62,916.12x = 86,821.20 × 34,621.20
  4. Step 4: Simplify right side
    62,916.12x = 3,005,854,129.44
  5. Step 5: Solve for x
    x = 3,005,854,129.44/62,916.12
  6. Step 6: Final answer
    x = 47,775.58

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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.