Home / 45,438.50-68,152.88-15,856.90

Finding the Fourth Proportional to 45,438.50, 68,152.88 and 15,856.90

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Solution

The fourth proportional to 45,438.50, 68,152.88 and 15,856.90 is: 23,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.50 : 68,152.88 = 15,856.90 : x
  2. Step 2: Convert to fraction form
    45,438.50/68,152.88 = 15,856.90/x
  3. Step 3: Cross multiply
    45,438.50x = 68,152.88 × 15,856.90
  4. Step 4: Simplify right side
    45,438.50x = 1,080,693,272.13
  5. Step 5: Solve for x
    x = 1,080,693,272.13/45,438.50
  6. Step 6: Final answer
    x = 23,783.65

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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.