Home / 35,675.12-49,224.15-21,525.23

Finding the Fourth Proportional to 35,675.12, 49,224.15 and 21,525.23

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Solution

The fourth proportional to 35,675.12, 49,224.15 and 21,525.23 is: 29,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,675.12 : 49,224.15 = 21,525.23 : x
  2. Step 2: Convert to fraction form
    35,675.12/49,224.15 = 21,525.23/x
  3. Step 3: Cross multiply
    35,675.12x = 49,224.15 × 21,525.23
  4. Step 4: Simplify right side
    35,675.12x = 1,059,560,904.18
  5. Step 5: Solve for x
    x = 1,059,560,904.18/35,675.12
  6. Step 6: Final answer
    x = 29,700.28

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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.