Home / 51,851.40-77,697.84-34,921.80

Finding the Fourth Proportional to 51,851.40, 77,697.84 and 34,921.80

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Solution

The fourth proportional to 51,851.40, 77,697.84 and 34,921.80 is: 52,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.40 : 77,697.84 = 34,921.80 : x
  2. Step 2: Convert to fraction form
    51,851.40/77,697.84 = 34,921.80/x
  3. Step 3: Cross multiply
    51,851.40x = 77,697.84 × 34,921.80
  4. Step 4: Simplify right side
    51,851.40x = 2,713,348,428.91
  5. Step 5: Solve for x
    x = 2,713,348,428.91/51,851.40
  6. Step 6: Final answer
    x = 52,329.32

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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.