Home / 35,709.30-49,280.40-19,793.76

Finding the Fourth Proportional to 35,709.30, 49,280.40 and 19,793.76

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Solution

The fourth proportional to 35,709.30, 49,280.40 and 19,793.76 is: 27,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.30 : 49,280.40 = 19,793.76 : x
  2. Step 2: Convert to fraction form
    35,709.30/49,280.40 = 19,793.76/x
  3. Step 3: Cross multiply
    35,709.30x = 49,280.40 × 19,793.76
  4. Step 4: Simplify right side
    35,709.30x = 975,444,410.30
  5. Step 5: Solve for x
    x = 975,444,410.30/35,709.30
  6. Step 6: Final answer
    x = 27,316.26

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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.