Home / 31,391.47-43,356.75-26,305.41

Finding the Fourth Proportional to 31,391.47, 43,356.75 and 26,305.41

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Solution

The fourth proportional to 31,391.47, 43,356.75 and 26,305.41 is: 36,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.47 : 43,356.75 = 26,305.41 : x
  2. Step 2: Convert to fraction form
    31,391.47/43,356.75 = 26,305.41/x
  3. Step 3: Cross multiply
    31,391.47x = 43,356.75 × 26,305.41
  4. Step 4: Simplify right side
    31,391.47x = 1,140,517,085.02
  5. Step 5: Solve for x
    x = 1,140,517,085.02/31,391.47
  6. Step 6: Final answer
    x = 36,332.07

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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.