Home / 31,506.60-43,478.63-18,077.55

Finding the Fourth Proportional to 31,506.60, 43,478.63 and 18,077.55

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Solution

The fourth proportional to 31,506.60, 43,478.63 and 18,077.55 is: 24,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.60 : 43,478.63 = 18,077.55 : x
  2. Step 2: Convert to fraction form
    31,506.60/43,478.63 = 18,077.55/x
  3. Step 3: Cross multiply
    31,506.60x = 43,478.63 × 18,077.55
  4. Step 4: Simplify right side
    31,506.60x = 785,987,107.76
  5. Step 5: Solve for x
    x = 785,987,107.76/31,506.60
  6. Step 6: Final answer
    x = 24,946.74

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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.