Home / 31,437.06-43,382.27-17,289.91

Finding the Fourth Proportional to 31,437.06, 43,382.27 and 17,289.91

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Solution

The fourth proportional to 31,437.06, 43,382.27 and 17,289.91 is: 23,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.06 : 43,382.27 = 17,289.91 : x
  2. Step 2: Convert to fraction form
    31,437.06/43,382.27 = 17,289.91/x
  3. Step 3: Cross multiply
    31,437.06x = 43,382.27 × 17,289.91
  4. Step 4: Simplify right side
    31,437.06x = 750,075,543.90
  5. Step 5: Solve for x
    x = 750,075,543.90/31,437.06
  6. Step 6: Final answer
    x = 23,859.60

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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.