Home / 39,587.34-59,338.08-19,818.21

Finding the Fourth Proportional to 39,587.34, 59,338.08 and 19,818.21

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Solution

The fourth proportional to 39,587.34, 59,338.08 and 19,818.21 is: 29,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.34 : 59,338.08 = 19,818.21 : x
  2. Step 2: Convert to fraction form
    39,587.34/59,338.08 = 19,818.21/x
  3. Step 3: Cross multiply
    39,587.34x = 59,338.08 × 19,818.21
  4. Step 4: Simplify right side
    39,587.34x = 1,175,974,530.44
  5. Step 5: Solve for x
    x = 1,175,974,530.44/39,587.34
  6. Step 6: Final answer
    x = 29,705.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.