Home / 35,704.12-49,264.59-21,557.74

Finding the Fourth Proportional to 35,704.12, 49,264.59 and 21,557.74

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Solution

The fourth proportional to 35,704.12, 49,264.59 and 21,557.74 is: 29,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.12 : 49,264.59 = 21,557.74 : x
  2. Step 2: Convert to fraction form
    35,704.12/49,264.59 = 21,557.74/x
  3. Step 3: Cross multiply
    35,704.12x = 49,264.59 × 21,557.74
  4. Step 4: Simplify right side
    35,704.12x = 1,062,033,222.43
  5. Step 5: Solve for x
    x = 1,062,033,222.43/35,704.12
  6. Step 6: Final answer
    x = 29,745.40

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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.