Home / 35,770.18-49,362.99-19,854.64

Finding the Fourth Proportional to 35,770.18, 49,362.99 and 19,854.64

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Solution

The fourth proportional to 35,770.18, 49,362.99 and 19,854.64 is: 27,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.18 : 49,362.99 = 19,854.64 : x
  2. Step 2: Convert to fraction form
    35,770.18/49,362.99 = 19,854.64/x
  3. Step 3: Cross multiply
    35,770.18x = 49,362.99 × 19,854.64
  4. Step 4: Simplify right side
    35,770.18x = 980,084,395.77
  5. Step 5: Solve for x
    x = 980,084,395.77/35,770.18
  6. Step 6: Final answer
    x = 27,399.48

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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.