Home / 31,400.90-43,332.74-17,253.44

Finding the Fourth Proportional to 31,400.90, 43,332.74 and 17,253.44

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Solution

The fourth proportional to 31,400.90, 43,332.74 and 17,253.44 is: 23,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.90 : 43,332.74 = 17,253.44 : x
  2. Step 2: Convert to fraction form
    31,400.90/43,332.74 = 17,253.44/x
  3. Step 3: Cross multiply
    31,400.90x = 43,332.74 × 17,253.44
  4. Step 4: Simplify right side
    31,400.90x = 747,638,526.69
  5. Step 5: Solve for x
    x = 747,638,526.69/31,400.90
  6. Step 6: Final answer
    x = 23,809.47

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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.