Home / 31,430.61-43,372.43-17,283.46

Finding the Fourth Proportional to 31,430.61, 43,372.43 and 17,283.46

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Solution

The fourth proportional to 31,430.61, 43,372.43 and 17,283.46 is: 23,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.61 : 43,372.43 = 17,283.46 : x
  2. Step 2: Convert to fraction form
    31,430.61/43,372.43 = 17,283.46/x
  3. Step 3: Cross multiply
    31,430.61x = 43,372.43 × 17,283.46
  4. Step 4: Simplify right side
    31,430.61x = 749,625,572.59
  5. Step 5: Solve for x
    x = 749,625,572.59/31,430.61
  6. Step 6: Final answer
    x = 23,850.18

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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.