Home / 35,538.94-49,026.02-21,188.65

Finding the Fourth Proportional to 35,538.94, 49,026.02 and 21,188.65

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Solution

The fourth proportional to 35,538.94, 49,026.02 and 21,188.65 is: 29,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.94 : 49,026.02 = 21,188.65 : x
  2. Step 2: Convert to fraction form
    35,538.94/49,026.02 = 21,188.65/x
  3. Step 3: Cross multiply
    35,538.94x = 49,026.02 × 21,188.65
  4. Step 4: Simplify right side
    35,538.94x = 1,038,794,963.80
  5. Step 5: Solve for x
    x = 1,038,794,963.80/35,538.94
  6. Step 6: Final answer
    x = 29,229.77

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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.