Home / 40,590.86-56,015.20-22,685.86

Finding the Fourth Proportional to 40,590.86, 56,015.20 and 22,685.86

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Solution

The fourth proportional to 40,590.86, 56,015.20 and 22,685.86 is: 31,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.86 : 56,015.20 = 22,685.86 : x
  2. Step 2: Convert to fraction form
    40,590.86/56,015.20 = 22,685.86/x
  3. Step 3: Cross multiply
    40,590.86x = 56,015.20 × 22,685.86
  4. Step 4: Simplify right side
    40,590.86x = 1,270,752,985.07
  5. Step 5: Solve for x
    x = 1,270,752,985.07/40,590.86
  6. Step 6: Final answer
    x = 31,306.38

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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.