Home / 35,779.74-49,377.24-19,862.70

Finding the Fourth Proportional to 35,779.74, 49,377.24 and 19,862.70

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Solution

The fourth proportional to 35,779.74, 49,377.24 and 19,862.70 is: 27,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.74 : 49,377.24 = 19,862.70 : x
  2. Step 2: Convert to fraction form
    35,779.74/49,377.24 = 19,862.70/x
  3. Step 3: Cross multiply
    35,779.74x = 49,377.24 × 19,862.70
  4. Step 4: Simplify right side
    35,779.74x = 980,765,304.95
  5. Step 5: Solve for x
    x = 980,765,304.95/35,779.74
  6. Step 6: Final answer
    x = 27,411.19

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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.