Home / 48,433.10-72,649.65-42,406.70

Finding the Fourth Proportional to 48,433.10, 72,649.65 and 42,406.70

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Solution

The fourth proportional to 48,433.10, 72,649.65 and 42,406.70 is: 63,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.10 : 72,649.65 = 42,406.70 : x
  2. Step 2: Convert to fraction form
    48,433.10/72,649.65 = 42,406.70/x
  3. Step 3: Cross multiply
    48,433.10x = 72,649.65 × 42,406.70
  4. Step 4: Simplify right side
    48,433.10x = 3,080,831,912.66
  5. Step 5: Solve for x
    x = 3,080,831,912.66/48,433.10
  6. Step 6: Final answer
    x = 63,610.05

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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.