Home / 31,393.53-43,351.20-23,421.93

Finding the Fourth Proportional to 31,393.53, 43,351.20 and 23,421.93

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Solution

The fourth proportional to 31,393.53, 43,351.20 and 23,421.93 is: 32,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.53 : 43,351.20 = 23,421.93 : x
  2. Step 2: Convert to fraction form
    31,393.53/43,351.20 = 23,421.93/x
  3. Step 3: Cross multiply
    31,393.53x = 43,351.20 × 23,421.93
  4. Step 4: Simplify right side
    31,393.53x = 1,015,368,771.82
  5. Step 5: Solve for x
    x = 1,015,368,771.82/31,393.53
  6. Step 6: Final answer
    x = 32,343.25

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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.