Home / 35,591.19-49,118.77-19,678.74

Finding the Fourth Proportional to 35,591.19, 49,118.77 and 19,678.74

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Solution

The fourth proportional to 35,591.19, 49,118.77 and 19,678.74 is: 27,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.19 : 49,118.77 = 19,678.74 : x
  2. Step 2: Convert to fraction form
    35,591.19/49,118.77 = 19,678.74/x
  3. Step 3: Cross multiply
    35,591.19x = 49,118.77 × 19,678.74
  4. Step 4: Simplify right side
    35,591.19x = 966,595,503.95
  5. Step 5: Solve for x
    x = 966,595,503.95/35,591.19
  6. Step 6: Final answer
    x = 27,158.28

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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.