Home / 31,283.07-43,171.28-17,135.93

Finding the Fourth Proportional to 31,283.07, 43,171.28 and 17,135.93

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Solution

The fourth proportional to 31,283.07, 43,171.28 and 17,135.93 is: 23,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.07 : 43,171.28 = 17,135.93 : x
  2. Step 2: Convert to fraction form
    31,283.07/43,171.28 = 17,135.93/x
  3. Step 3: Cross multiply
    31,283.07x = 43,171.28 × 17,135.93
  4. Step 4: Simplify right side
    31,283.07x = 739,779,730.55
  5. Step 5: Solve for x
    x = 739,779,730.55/31,283.07
  6. Step 6: Final answer
    x = 23,647.93

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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.