Home / 31,388.10-43,303.32-17,952.18

Finding the Fourth Proportional to 31,388.10, 43,303.32 and 17,952.18

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Solution

The fourth proportional to 31,388.10, 43,303.32 and 17,952.18 is: 24,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.10 : 43,303.32 = 17,952.18 : x
  2. Step 2: Convert to fraction form
    31,388.10/43,303.32 = 17,952.18/x
  3. Step 3: Cross multiply
    31,388.10x = 43,303.32 × 17,952.18
  4. Step 4: Simplify right side
    31,388.10x = 777,388,995.24
  5. Step 5: Solve for x
    x = 777,388,995.24/31,388.10
  6. Step 6: Final answer
    x = 24,767.00

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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.