Home / 35,821.59-49,419.36-21,649.83

Finding the Fourth Proportional to 35,821.59, 49,419.36 and 21,649.83

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Solution

The fourth proportional to 35,821.59, 49,419.36 and 21,649.83 is: 29,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.59 : 49,419.36 = 21,649.83 : x
  2. Step 2: Convert to fraction form
    35,821.59/49,419.36 = 21,649.83/x
  3. Step 3: Cross multiply
    35,821.59x = 49,419.36 × 21,649.83
  4. Step 4: Simplify right side
    35,821.59x = 1,069,920,742.71
  5. Step 5: Solve for x
    x = 1,069,920,742.71/35,821.59
  6. Step 6: Final answer
    x = 29,868.04

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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.