Home / 55,585.22-83,377.84-13,465.31

Finding the Fourth Proportional to 55,585.22, 83,377.84 and 13,465.31

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Solution

The fourth proportional to 55,585.22, 83,377.84 and 13,465.31 is: 20,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.22 : 83,377.84 = 13,465.31 : x
  2. Step 2: Convert to fraction form
    55,585.22/83,377.84 = 13,465.31/x
  3. Step 3: Cross multiply
    55,585.22x = 83,377.84 × 13,465.31
  4. Step 4: Simplify right side
    55,585.22x = 1,122,708,712.52
  5. Step 5: Solve for x
    x = 1,122,708,712.52/55,585.22
  6. Step 6: Final answer
    x = 20,197.97

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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.