Home / 40,946.38-61,416.66-15,981.76

Finding the Fourth Proportional to 40,946.38, 61,416.66 and 15,981.76

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Solution

The fourth proportional to 40,946.38, 61,416.66 and 15,981.76 is: 23,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,946.38 : 61,416.66 = 15,981.76 : x
  2. Step 2: Convert to fraction form
    40,946.38/61,416.66 = 15,981.76/x
  3. Step 3: Cross multiply
    40,946.38x = 61,416.66 × 15,981.76
  4. Step 4: Simplify right side
    40,946.38x = 981,546,320.12
  5. Step 5: Solve for x
    x = 981,546,320.12/40,946.38
  6. Step 6: Final answer
    x = 23,971.50

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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.