Home / 51,332.34-70,839.17-30,111.96

Finding the Fourth Proportional to 51,332.34, 70,839.17 and 30,111.96

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Solution

The fourth proportional to 51,332.34, 70,839.17 and 30,111.96 is: 41,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.34 : 70,839.17 = 30,111.96 : x
  2. Step 2: Convert to fraction form
    51,332.34/70,839.17 = 30,111.96/x
  3. Step 3: Cross multiply
    51,332.34x = 70,839.17 × 30,111.96
  4. Step 4: Simplify right side
    51,332.34x = 2,133,106,253.47
  5. Step 5: Solve for x
    x = 2,133,106,253.47/51,332.34
  6. Step 6: Final answer
    x = 41,554.82

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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.