Home / 31,298.97-46,948.47-9,112.53

Finding the Fourth Proportional to 31,298.97, 46,948.47 and 9,112.53

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Solution

The fourth proportional to 31,298.97, 46,948.47 and 9,112.53 is: 13,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.97 : 46,948.47 = 9,112.53 : x
  2. Step 2: Convert to fraction form
    31,298.97/46,948.47 = 9,112.53/x
  3. Step 3: Cross multiply
    31,298.97x = 46,948.47 × 9,112.53
  4. Step 4: Simplify right side
    31,298.97x = 427,819,341.33
  5. Step 5: Solve for x
    x = 427,819,341.33/31,298.97
  6. Step 6: Final answer
    x = 13,668.80

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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.