Home / 31,303.53-43,202.43-17,876.70

Finding the Fourth Proportional to 31,303.53, 43,202.43 and 17,876.70

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Solution

The fourth proportional to 31,303.53, 43,202.43 and 17,876.70 is: 24,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.53 : 43,202.43 = 17,876.70 : x
  2. Step 2: Convert to fraction form
    31,303.53/43,202.43 = 17,876.70/x
  3. Step 3: Cross multiply
    31,303.53x = 43,202.43 × 17,876.70
  4. Step 4: Simplify right side
    31,303.53x = 772,316,880.38
  5. Step 5: Solve for x
    x = 772,316,880.38/31,303.53
  6. Step 6: Final answer
    x = 24,671.88

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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.