Home / 55,465.20-76,524.48-31,590.45

Finding the Fourth Proportional to 55,465.20, 76,524.48 and 31,590.45

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Solution

The fourth proportional to 55,465.20, 76,524.48 and 31,590.45 is: 43,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465.20 : 76,524.48 = 31,590.45 : x
  2. Step 2: Convert to fraction form
    55,465.20/76,524.48 = 31,590.45/x
  3. Step 3: Cross multiply
    55,465.20x = 76,524.48 × 31,590.45
  4. Step 4: Simplify right side
    55,465.20x = 2,417,442,759.22
  5. Step 5: Solve for x
    x = 2,417,442,759.22/55,465.20
  6. Step 6: Final answer
    x = 43,584.86

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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.