Home / 52,206.07-72,031.90-31,787.89

Finding the Fourth Proportional to 52,206.07, 72,031.90 and 31,787.89

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Solution

The fourth proportional to 52,206.07, 72,031.90 and 31,787.89 is: 43,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,206.07 : 72,031.90 = 31,787.89 : x
  2. Step 2: Convert to fraction form
    52,206.07/72,031.90 = 31,787.89/x
  3. Step 3: Cross multiply
    52,206.07x = 72,031.90 × 31,787.89
  4. Step 4: Simplify right side
    52,206.07x = 2,289,742,318.92
  5. Step 5: Solve for x
    x = 2,289,742,318.92/52,206.07
  6. Step 6: Final answer
    x = 43,859.70

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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.