Home / 31,368.24-43,293.60-18,795.60

Finding the Fourth Proportional to 31,368.24, 43,293.60 and 18,795.60

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Solution

The fourth proportional to 31,368.24, 43,293.60 and 18,795.60 is: 25,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.24 : 43,293.60 = 18,795.60 : x
  2. Step 2: Convert to fraction form
    31,368.24/43,293.60 = 18,795.60/x
  3. Step 3: Cross multiply
    31,368.24x = 43,293.60 × 18,795.60
  4. Step 4: Simplify right side
    31,368.24x = 813,729,188.16
  5. Step 5: Solve for x
    x = 813,729,188.16/31,368.24
  6. Step 6: Final answer
    x = 25,941.18

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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.