Home / 35,981.84-49,656.52-20,066.32

Finding the Fourth Proportional to 35,981.84, 49,656.52 and 20,066.32

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Solution

The fourth proportional to 35,981.84, 49,656.52 and 20,066.32 is: 27,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.84 : 49,656.52 = 20,066.32 : x
  2. Step 2: Convert to fraction form
    35,981.84/49,656.52 = 20,066.32/x
  3. Step 3: Cross multiply
    35,981.84x = 49,656.52 × 20,066.32
  4. Step 4: Simplify right side
    35,981.84x = 996,423,620.41
  5. Step 5: Solve for x
    x = 996,423,620.41/35,981.84
  6. Step 6: Final answer
    x = 27,692.40

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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.