Home / 40,045.86-55,263.96-23,278.86

Finding the Fourth Proportional to 40,045.86, 55,263.96 and 23,278.86

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Solution

The fourth proportional to 40,045.86, 55,263.96 and 23,278.86 is: 32,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.86 : 55,263.96 = 23,278.86 : x
  2. Step 2: Convert to fraction form
    40,045.86/55,263.96 = 23,278.86/x
  3. Step 3: Cross multiply
    40,045.86x = 55,263.96 × 23,278.86
  4. Step 4: Simplify right side
    40,045.86x = 1,286,481,987.89
  5. Step 5: Solve for x
    x = 1,286,481,987.89/40,045.86
  6. Step 6: Final answer
    x = 32,125.22

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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.