Home / 31,483.65-47,214.45-9,291.15

Finding the Fourth Proportional to 31,483.65, 47,214.45 and 9,291.15

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Solution

The fourth proportional to 31,483.65, 47,214.45 and 9,291.15 is: 13,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.65 : 47,214.45 = 9,291.15 : x
  2. Step 2: Convert to fraction form
    31,483.65/47,214.45 = 9,291.15/x
  3. Step 3: Cross multiply
    31,483.65x = 47,214.45 × 9,291.15
  4. Step 4: Simplify right side
    31,483.65x = 438,676,537.12
  5. Step 5: Solve for x
    x = 438,676,537.12/31,483.65
  6. Step 6: Final answer
    x = 13,933.47

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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.