Home / 35,526.68-49,024.16-20,419.38

Finding the Fourth Proportional to 35,526.68, 49,024.16 and 20,419.38

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Solution

The fourth proportional to 35,526.68, 49,024.16 and 20,419.38 is: 28,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,526.68 : 49,024.16 = 20,419.38 : x
  2. Step 2: Convert to fraction form
    35,526.68/49,024.16 = 20,419.38/x
  3. Step 3: Cross multiply
    35,526.68x = 49,024.16 × 20,419.38
  4. Step 4: Simplify right side
    35,526.68x = 1,001,042,952.22
  5. Step 5: Solve for x
    x = 1,001,042,952.22/35,526.68
  6. Step 6: Final answer
    x = 28,177.22

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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.