Home / 35,779.60-49,377.12-19,864.30

Finding the Fourth Proportional to 35,779.60, 49,377.12 and 19,864.30

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Solution

The fourth proportional to 35,779.60, 49,377.12 and 19,864.30 is: 27,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.60 : 49,377.12 = 19,864.30 : x
  2. Step 2: Convert to fraction form
    35,779.60/49,377.12 = 19,864.30/x
  3. Step 3: Cross multiply
    35,779.60x = 49,377.12 × 19,864.30
  4. Step 4: Simplify right side
    35,779.60x = 980,841,924.82
  5. Step 5: Solve for x
    x = 980,841,924.82/35,779.60
  6. Step 6: Final answer
    x = 27,413.44

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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.