Home / 35,557.20-49,068.45-19,641.78

Finding the Fourth Proportional to 35,557.20, 49,068.45 and 19,641.78

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Solution

The fourth proportional to 35,557.20, 49,068.45 and 19,641.78 is: 27,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.20 : 49,068.45 = 19,641.78 : x
  2. Step 2: Convert to fraction form
    35,557.20/49,068.45 = 19,641.78/x
  3. Step 3: Cross multiply
    35,557.20x = 49,068.45 × 19,641.78
  4. Step 4: Simplify right side
    35,557.20x = 963,791,699.84
  5. Step 5: Solve for x
    x = 963,791,699.84/35,557.20
  6. Step 6: Final answer
    x = 27,105.39

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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.