Home / 56,913.10-85,442.55-30,280.30

Finding the Fourth Proportional to 56,913.10, 85,442.55 and 30,280.30

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Solution

The fourth proportional to 56,913.10, 85,442.55 and 30,280.30 is: 45,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.10 : 85,442.55 = 30,280.30 : x
  2. Step 2: Convert to fraction form
    56,913.10/85,442.55 = 30,280.30/x
  3. Step 3: Cross multiply
    56,913.10x = 85,442.55 × 30,280.30
  4. Step 4: Simplify right side
    56,913.10x = 2,587,226,046.77
  5. Step 5: Solve for x
    x = 2,587,226,046.77/56,913.10
  6. Step 6: Final answer
    x = 45,459.24

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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.