Home / 40,281.12-60,421.44-15,657.12

Finding the Fourth Proportional to 40,281.12, 60,421.44 and 15,657.12

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Solution

The fourth proportional to 40,281.12, 60,421.44 and 15,657.12 is: 23,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.12 : 60,421.44 = 15,657.12 : x
  2. Step 2: Convert to fraction form
    40,281.12/60,421.44 = 15,657.12/x
  3. Step 3: Cross multiply
    40,281.12x = 60,421.44 × 15,657.12
  4. Step 4: Simplify right side
    40,281.12x = 946,025,736.65
  5. Step 5: Solve for x
    x = 946,025,736.65/40,281.12
  6. Step 6: Final answer
    x = 23,485.59

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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.