Home / 39,482.28-54,483.93-21,577.89

Finding the Fourth Proportional to 39,482.28, 54,483.93 and 21,577.89

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Solution

The fourth proportional to 39,482.28, 54,483.93 and 21,577.89 is: 29,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.28 : 54,483.93 = 21,577.89 : x
  2. Step 2: Convert to fraction form
    39,482.28/54,483.93 = 21,577.89/x
  3. Step 3: Cross multiply
    39,482.28x = 54,483.93 × 21,577.89
  4. Step 4: Simplify right side
    39,482.28x = 1,175,648,248.31
  5. Step 5: Solve for x
    x = 1,175,648,248.31/39,482.28
  6. Step 6: Final answer
    x = 29,776.60

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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.