Home / 56,429.78-77,809.28-35,984.57

Finding the Fourth Proportional to 56,429.78, 77,809.28 and 35,984.57

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Solution

The fourth proportional to 56,429.78, 77,809.28 and 35,984.57 is: 49,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,429.78 : 77,809.28 = 35,984.57 : x
  2. Step 2: Convert to fraction form
    56,429.78/77,809.28 = 35,984.57/x
  3. Step 3: Cross multiply
    56,429.78x = 77,809.28 × 35,984.57
  4. Step 4: Simplify right side
    56,429.78x = 2,799,932,913.84
  5. Step 5: Solve for x
    x = 2,799,932,913.84/56,429.78
  6. Step 6: Final answer
    x = 49,618.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.