Home / 35,770.71-49,363.55-19,855.13

Finding the Fourth Proportional to 35,770.71, 49,363.55 and 19,855.13

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Solution

The fourth proportional to 35,770.71, 49,363.55 and 19,855.13 is: 27,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.71 : 49,363.55 = 19,855.13 : x
  2. Step 2: Convert to fraction form
    35,770.71/49,363.55 = 19,855.13/x
  3. Step 3: Cross multiply
    35,770.71x = 49,363.55 × 19,855.13
  4. Step 4: Simplify right side
    35,770.71x = 980,119,356.42
  5. Step 5: Solve for x
    x = 980,119,356.42/35,770.71
  6. Step 6: Final answer
    x = 27,400.05

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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.