Home / 45,569.76-68,357.88-13,975.72

Finding the Fourth Proportional to 45,569.76, 68,357.88 and 13,975.72

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Solution

The fourth proportional to 45,569.76, 68,357.88 and 13,975.72 is: 20,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.76 : 68,357.88 = 13,975.72 : x
  2. Step 2: Convert to fraction form
    45,569.76/68,357.88 = 13,975.72/x
  3. Step 3: Cross multiply
    45,569.76x = 68,357.88 × 13,975.72
  4. Step 4: Simplify right side
    45,569.76x = 955,350,590.67
  5. Step 5: Solve for x
    x = 955,350,590.67/45,569.76
  6. Step 6: Final answer
    x = 20,964.57

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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.