Home / 35,526.77-49,026.21-20,419.04

Finding the Fourth Proportional to 35,526.77, 49,026.21 and 20,419.04

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Solution

The fourth proportional to 35,526.77, 49,026.21 and 20,419.04 is: 28,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,526.77 : 49,026.21 = 20,419.04 : x
  2. Step 2: Convert to fraction form
    35,526.77/49,026.21 = 20,419.04/x
  3. Step 3: Cross multiply
    35,526.77x = 49,026.21 × 20,419.04
  4. Step 4: Simplify right side
    35,526.77x = 1,001,068,028.12
  5. Step 5: Solve for x
    x = 1,001,068,028.12/35,526.77
  6. Step 6: Final answer
    x = 28,177.85

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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.