Home / 31,762.89-43,822.76-18,332.37

Finding the Fourth Proportional to 31,762.89, 43,822.76 and 18,332.37

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Solution

The fourth proportional to 31,762.89, 43,822.76 and 18,332.37 is: 25,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.89 : 43,822.76 = 18,332.37 : x
  2. Step 2: Convert to fraction form
    31,762.89/43,822.76 = 18,332.37/x
  3. Step 3: Cross multiply
    31,762.89x = 43,822.76 × 18,332.37
  4. Step 4: Simplify right side
    31,762.89x = 803,374,959.08
  5. Step 5: Solve for x
    x = 803,374,959.08/31,762.89
  6. Step 6: Final answer
    x = 25,292.88

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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.