Home / 30,569.04-42,178.84-19,974.24

Finding the Fourth Proportional to 30,569.04, 42,178.84 and 19,974.24

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Solution

The fourth proportional to 30,569.04, 42,178.84 and 19,974.24 is: 27,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.04 : 42,178.84 = 19,974.24 : x
  2. Step 2: Convert to fraction form
    30,569.04/42,178.84 = 19,974.24/x
  3. Step 3: Cross multiply
    30,569.04x = 42,178.84 × 19,974.24
  4. Step 4: Simplify right side
    30,569.04x = 842,490,273.08
  5. Step 5: Solve for x
    x = 842,490,273.08/30,569.04
  6. Step 6: Final answer
    x = 27,560.25

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Double scale
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Similar ratio
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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.