Home / 35,645.10-49,202.54-20,543.79

Finding the Fourth Proportional to 35,645.10, 49,202.54 and 20,543.79

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Solution

The fourth proportional to 35,645.10, 49,202.54 and 20,543.79 is: 28,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.10 : 49,202.54 = 20,543.79 : x
  2. Step 2: Convert to fraction form
    35,645.10/49,202.54 = 20,543.79/x
  3. Step 3: Cross multiply
    35,645.10x = 49,202.54 × 20,543.79
  4. Step 4: Simplify right side
    35,645.10x = 1,010,806,577.58
  5. Step 5: Solve for x
    x = 1,010,806,577.58/35,645.10
  6. Step 6: Final answer
    x = 28,357.52

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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.