Home / 31,368.73-43,280.39-17,937.21

Finding the Fourth Proportional to 31,368.73, 43,280.39 and 17,937.21

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Solution

The fourth proportional to 31,368.73, 43,280.39 and 17,937.21 is: 24,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.73 : 43,280.39 = 17,937.21 : x
  2. Step 2: Convert to fraction form
    31,368.73/43,280.39 = 17,937.21/x
  3. Step 3: Cross multiply
    31,368.73x = 43,280.39 × 17,937.21
  4. Step 4: Simplify right side
    31,368.73x = 776,329,444.31
  5. Step 5: Solve for x
    x = 776,329,444.31/31,368.73
  6. Step 6: Final answer
    x = 24,748.52

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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.