Home / 31,505.76-43,475.81-17,358.57

Finding the Fourth Proportional to 31,505.76, 43,475.81 and 17,358.57

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Solution

The fourth proportional to 31,505.76, 43,475.81 and 17,358.57 is: 23,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.76 : 43,475.81 = 17,358.57 : x
  2. Step 2: Convert to fraction form
    31,505.76/43,475.81 = 17,358.57/x
  3. Step 3: Cross multiply
    31,505.76x = 43,475.81 × 17,358.57
  4. Step 4: Simplify right side
    31,505.76x = 754,677,804.40
  5. Step 5: Solve for x
    x = 754,677,804.40/31,505.76
  6. Step 6: Final answer
    x = 23,953.65

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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.