Home / 40,420.53-55,780.35-23,434.66

Finding the Fourth Proportional to 40,420.53, 55,780.35 and 23,434.66

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Solution

The fourth proportional to 40,420.53, 55,780.35 and 23,434.66 is: 32,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.53 : 55,780.35 = 23,434.66 : x
  2. Step 2: Convert to fraction form
    40,420.53/55,780.35 = 23,434.66/x
  3. Step 3: Cross multiply
    40,420.53x = 55,780.35 × 23,434.66
  4. Step 4: Simplify right side
    40,420.53x = 1,307,193,518.78
  5. Step 5: Solve for x
    x = 1,307,193,518.78/40,420.53
  6. Step 6: Final answer
    x = 32,339.84

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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.