Home / 31,178.95-43,027.90-17,032.71

Finding the Fourth Proportional to 31,178.95, 43,027.90 and 17,032.71

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Solution

The fourth proportional to 31,178.95, 43,027.90 and 17,032.71 is: 23,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.95 : 43,027.90 = 17,032.71 : x
  2. Step 2: Convert to fraction form
    31,178.95/43,027.90 = 17,032.71/x
  3. Step 3: Cross multiply
    31,178.95x = 43,027.90 × 17,032.71
  4. Step 4: Simplify right side
    31,178.95x = 732,881,683.22
  5. Step 5: Solve for x
    x = 732,881,683.22/31,178.95
  6. Step 6: Final answer
    x = 23,505.65

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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.