Home / 42,445.16-63,669.18-11,280.44

Finding the Fourth Proportional to 42,445.16, 63,669.18 and 11,280.44

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Solution

The fourth proportional to 42,445.16, 63,669.18 and 11,280.44 is: 16,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.16 : 63,669.18 = 11,280.44 : x
  2. Step 2: Convert to fraction form
    42,445.16/63,669.18 = 11,280.44/x
  3. Step 3: Cross multiply
    42,445.16x = 63,669.18 × 11,280.44
  4. Step 4: Simplify right side
    42,445.16x = 718,216,364.84
  5. Step 5: Solve for x
    x = 718,216,364.84/42,445.16
  6. Step 6: Final answer
    x = 16,921.04

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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.