Home / 35,666.11-49,218.60-19,750.21

Finding the Fourth Proportional to 35,666.11, 49,218.60 and 19,750.21

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Solution

The fourth proportional to 35,666.11, 49,218.60 and 19,750.21 is: 27,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.11 : 49,218.60 = 19,750.21 : x
  2. Step 2: Convert to fraction form
    35,666.11/49,218.60 = 19,750.21/x
  3. Step 3: Cross multiply
    35,666.11x = 49,218.60 × 19,750.21
  4. Step 4: Simplify right side
    35,666.11x = 972,077,913.78
  5. Step 5: Solve for x
    x = 972,077,913.78/35,666.11
  6. Step 6: Final answer
    x = 27,254.95

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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.