Home / 51,979.76-77,981.34-16,443.23

Finding the Fourth Proportional to 51,979.76, 77,981.34 and 16,443.23

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Solution

The fourth proportional to 51,979.76, 77,981.34 and 16,443.23 is: 24,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979.76 : 77,981.34 = 16,443.23 : x
  2. Step 2: Convert to fraction form
    51,979.76/77,981.34 = 16,443.23/x
  3. Step 3: Cross multiply
    51,979.76x = 77,981.34 × 16,443.23
  4. Step 4: Simplify right side
    51,979.76x = 1,282,264,719.42
  5. Step 5: Solve for x
    x = 1,282,264,719.42/51,979.76
  6. Step 6: Final answer
    x = 24,668.54

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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.