Home / 51,557.32-77,364.68-27,864.40

Finding the Fourth Proportional to 51,557.32, 77,364.68 and 27,864.40

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Solution

The fourth proportional to 51,557.32, 77,364.68 and 27,864.40 is: 41,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.32 : 77,364.68 = 27,864.40 : x
  2. Step 2: Convert to fraction form
    51,557.32/77,364.68 = 27,864.40/x
  3. Step 3: Cross multiply
    51,557.32x = 77,364.68 × 27,864.40
  4. Step 4: Simplify right side
    51,557.32x = 2,155,720,389.39
  5. Step 5: Solve for x
    x = 2,155,720,389.39/51,557.32
  6. Step 6: Final answer
    x = 41,812.11

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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.