Home / 40,332.98-55,630.36-31,100.44

Finding the Fourth Proportional to 40,332.98, 55,630.36 and 31,100.44

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Solution

The fourth proportional to 40,332.98, 55,630.36 and 31,100.44 is: 42,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332.98 : 55,630.36 = 31,100.44 : x
  2. Step 2: Convert to fraction form
    40,332.98/55,630.36 = 31,100.44/x
  3. Step 3: Cross multiply
    40,332.98x = 55,630.36 × 31,100.44
  4. Step 4: Simplify right side
    40,332.98x = 1,730,128,673.36
  5. Step 5: Solve for x
    x = 1,730,128,673.36/40,332.98
  6. Step 6: Final answer
    x = 42,896.13

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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.