Home / 31,436.80-46,890.32-29,259.52

Finding the Fourth Proportional to 31,436.80, 46,890.32 and 29,259.52

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Solution

The fourth proportional to 31,436.80, 46,890.32 and 29,259.52 is: 43,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.80 : 46,890.32 = 29,259.52 : x
  2. Step 2: Convert to fraction form
    31,436.80/46,890.32 = 29,259.52/x
  3. Step 3: Cross multiply
    31,436.80x = 46,890.32 × 29,259.52
  4. Step 4: Simplify right side
    31,436.80x = 1,371,988,255.85
  5. Step 5: Solve for x
    x = 1,371,988,255.85/31,436.80
  6. Step 6: Final answer
    x = 43,642.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.