Home / 43,281.32-64,922.46-15,200.20

Finding the Fourth Proportional to 43,281.32, 64,922.46 and 15,200.20

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Solution

The fourth proportional to 43,281.32, 64,922.46 and 15,200.20 is: 22,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.32 : 64,922.46 = 15,200.20 : x
  2. Step 2: Convert to fraction form
    43,281.32/64,922.46 = 15,200.20/x
  3. Step 3: Cross multiply
    43,281.32x = 64,922.46 × 15,200.20
  4. Step 4: Simplify right side
    43,281.32x = 986,834,376.49
  5. Step 5: Solve for x
    x = 986,834,376.49/43,281.32
  6. Step 6: Final answer
    x = 22,800.47

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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.