Home / 35,888.12-49,523.49-20,779.70

Finding the Fourth Proportional to 35,888.12, 49,523.49 and 20,779.70

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Solution

The fourth proportional to 35,888.12, 49,523.49 and 20,779.70 is: 28,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,888.12 : 49,523.49 = 20,779.70 : x
  2. Step 2: Convert to fraction form
    35,888.12/49,523.49 = 20,779.70/x
  3. Step 3: Cross multiply
    35,888.12x = 49,523.49 × 20,779.70
  4. Step 4: Simplify right side
    35,888.12x = 1,029,083,017.54
  5. Step 5: Solve for x
    x = 1,029,083,017.54/35,888.12
  6. Step 6: Final answer
    x = 28,674.76

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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.