Home / 31,903.83-44,031.46-18,297.20

Finding the Fourth Proportional to 31,903.83, 44,031.46 and 18,297.20

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Solution

The fourth proportional to 31,903.83, 44,031.46 and 18,297.20 is: 25,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.83 : 44,031.46 = 18,297.20 : x
  2. Step 2: Convert to fraction form
    31,903.83/44,031.46 = 18,297.20/x
  3. Step 3: Cross multiply
    31,903.83x = 44,031.46 × 18,297.20
  4. Step 4: Simplify right side
    31,903.83x = 805,652,429.91
  5. Step 5: Solve for x
    x = 805,652,429.91/31,903.83
  6. Step 6: Final answer
    x = 25,252.53

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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.