Home / 31,487.67-43,453.40-17,341.56

Finding the Fourth Proportional to 31,487.67, 43,453.40 and 17,341.56

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Solution

The fourth proportional to 31,487.67, 43,453.40 and 17,341.56 is: 23,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.67 : 43,453.40 = 17,341.56 : x
  2. Step 2: Convert to fraction form
    31,487.67/43,453.40 = 17,341.56/x
  3. Step 3: Cross multiply
    31,487.67x = 43,453.40 × 17,341.56
  4. Step 4: Simplify right side
    31,487.67x = 753,549,656.60
  5. Step 5: Solve for x
    x = 753,549,656.60/31,487.67
  6. Step 6: Final answer
    x = 23,931.58

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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.