Home / 31,506.57-43,470.41-18,077.18

Finding the Fourth Proportional to 31,506.57, 43,470.41 and 18,077.18

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Solution

The fourth proportional to 31,506.57, 43,470.41 and 18,077.18 is: 24,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.57 : 43,470.41 = 18,077.18 : x
  2. Step 2: Convert to fraction form
    31,506.57/43,470.41 = 18,077.18/x
  3. Step 3: Cross multiply
    31,506.57x = 43,470.41 × 18,077.18
  4. Step 4: Simplify right side
    31,506.57x = 785,822,118.51
  5. Step 5: Solve for x
    x = 785,822,118.51/31,506.57
  6. Step 6: Final answer
    x = 24,941.53

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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.