Home / 39,306-59,040.30-31,818.36

Finding the Fourth Proportional to 39,306, 59,040.30 and 31,818.36

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Solution

The fourth proportional to 39,306, 59,040.30 and 31,818.36 is: 47,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306 : 59,040.30 = 31,818.36 : x
  2. Step 2: Convert to fraction form
    39,306/59,040.30 = 31,818.36/x
  3. Step 3: Cross multiply
    39,306x = 59,040.30 × 31,818.36
  4. Step 4: Simplify right side
    39,306x = 1,878,565,519.91
  5. Step 5: Solve for x
    x = 1,878,565,519.91/39,306
  6. Step 6: Final answer
    x = 47,793.35

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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.