Home / 86,943.88-130,337.58-31,501

Finding the Fourth Proportional to 86,943.88, 130,337.58 and 31,501

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Solution

The fourth proportional to 86,943.88, 130,337.58 and 31,501 is: 47,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943.88 : 130,337.58 = 31,501 : x
  2. Step 2: Convert to fraction form
    86,943.88/130,337.58 = 31,501/x
  3. Step 3: Cross multiply
    86,943.88x = 130,337.58 × 31,501
  4. Step 4: Simplify right side
    86,943.88x = 4,105,764,107.58
  5. Step 5: Solve for x
    x = 4,105,764,107.58/86,943.88
  6. Step 6: Final answer
    x = 47,223.15

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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.