Home / 38,636.80-57,959.52-12,332.32

Finding the Fourth Proportional to 38,636.80, 57,959.52 and 12,332.32

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Solution

The fourth proportional to 38,636.80, 57,959.52 and 12,332.32 is: 18,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.80 : 57,959.52 = 12,332.32 : x
  2. Step 2: Convert to fraction form
    38,636.80/57,959.52 = 12,332.32/x
  3. Step 3: Cross multiply
    38,636.80x = 57,959.52 × 12,332.32
  4. Step 4: Simplify right side
    38,636.80x = 714,775,347.69
  5. Step 5: Solve for x
    x = 714,775,347.69/38,636.80
  6. Step 6: Final answer
    x = 18,499.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.