Home / 35,790.07-49,394.85-21,643.02

Finding the Fourth Proportional to 35,790.07, 49,394.85 and 21,643.02

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Solution

The fourth proportional to 35,790.07, 49,394.85 and 21,643.02 is: 29,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.07 : 49,394.85 = 21,643.02 : x
  2. Step 2: Convert to fraction form
    35,790.07/49,394.85 = 21,643.02/x
  3. Step 3: Cross multiply
    35,790.07x = 49,394.85 × 21,643.02
  4. Step 4: Simplify right side
    35,790.07x = 1,069,053,726.45
  5. Step 5: Solve for x
    x = 1,069,053,726.45/35,790.07
  6. Step 6: Final answer
    x = 29,870.12

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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.