Home / 31,423.60-43,364.56-17,277.36

Finding the Fourth Proportional to 31,423.60, 43,364.56 and 17,277.36

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Solution

The fourth proportional to 31,423.60, 43,364.56 and 17,277.36 is: 23,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.60 : 43,364.56 = 17,277.36 : x
  2. Step 2: Convert to fraction form
    31,423.60/43,364.56 = 17,277.36/x
  3. Step 3: Cross multiply
    31,423.60x = 43,364.56 × 17,277.36
  4. Step 4: Simplify right side
    31,423.60x = 749,225,114.36
  5. Step 5: Solve for x
    x = 749,225,114.36/31,423.60
  6. Step 6: Final answer
    x = 23,842.75

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1.5x scale

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.