Home / 35,525.61-49,029.21-20,418.93

Finding the Fourth Proportional to 35,525.61, 49,029.21 and 20,418.93

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Solution

The fourth proportional to 35,525.61, 49,029.21 and 20,418.93 is: 28,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,525.61 : 49,029.21 = 20,418.93 : x
  2. Step 2: Convert to fraction form
    35,525.61/49,029.21 = 20,418.93/x
  3. Step 3: Cross multiply
    35,525.61x = 49,029.21 × 20,418.93
  4. Step 4: Simplify right side
    35,525.61x = 1,001,124,006.95
  5. Step 5: Solve for x
    x = 1,001,124,006.95/35,525.61
  6. Step 6: Final answer
    x = 28,180.35

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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.