Home / 40,690.93-61,049.76-25,680.67

Finding the Fourth Proportional to 40,690.93, 61,049.76 and 25,680.67

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Solution

The fourth proportional to 40,690.93, 61,049.76 and 25,680.67 is: 38,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.93 : 61,049.76 = 25,680.67 : x
  2. Step 2: Convert to fraction form
    40,690.93/61,049.76 = 25,680.67/x
  3. Step 3: Cross multiply
    40,690.93x = 61,049.76 × 25,680.67
  4. Step 4: Simplify right side
    40,690.93x = 1,567,798,740.14
  5. Step 5: Solve for x
    x = 1,567,798,740.14/40,690.93
  6. Step 6: Final answer
    x = 38,529.44

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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.