Home / 31,400.34-43,332.46-17,254.10

Finding the Fourth Proportional to 31,400.34, 43,332.46 and 17,254.10

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Solution

The fourth proportional to 31,400.34, 43,332.46 and 17,254.10 is: 23,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.34 : 43,332.46 = 17,254.10 : x
  2. Step 2: Convert to fraction form
    31,400.34/43,332.46 = 17,254.10/x
  3. Step 3: Cross multiply
    31,400.34x = 43,332.46 × 17,254.10
  4. Step 4: Simplify right side
    31,400.34x = 747,662,295.15
  5. Step 5: Solve for x
    x = 747,662,295.15/31,400.34
  6. Step 6: Final answer
    x = 23,810.64

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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.