Home / 39,257.04-54,175.11-21,352.47

Finding the Fourth Proportional to 39,257.04, 54,175.11 and 21,352.47

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Solution

The fourth proportional to 39,257.04, 54,175.11 and 21,352.47 is: 29,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.04 : 54,175.11 = 21,352.47 : x
  2. Step 2: Convert to fraction form
    39,257.04/54,175.11 = 21,352.47/x
  3. Step 3: Cross multiply
    39,257.04x = 54,175.11 × 21,352.47
  4. Step 4: Simplify right side
    39,257.04x = 1,156,772,411.02
  5. Step 5: Solve for x
    x = 1,156,772,411.02/39,257.04
  6. Step 6: Final answer
    x = 29,466.62

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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.