Home / 31,296.04-43,188.23-16,955.55

Finding the Fourth Proportional to 31,296.04, 43,188.23 and 16,955.55

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Solution

The fourth proportional to 31,296.04, 43,188.23 and 16,955.55 is: 23,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.04 : 43,188.23 = 16,955.55 : x
  2. Step 2: Convert to fraction form
    31,296.04/43,188.23 = 16,955.55/x
  3. Step 3: Cross multiply
    31,296.04x = 43,188.23 × 16,955.55
  4. Step 4: Simplify right side
    31,296.04x = 732,280,235.57
  5. Step 5: Solve for x
    x = 732,280,235.57/31,296.04
  6. Step 6: Final answer
    x = 23,398.50

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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.