Home / 55,936.17-77,191.88-30,785.67

Finding the Fourth Proportional to 55,936.17, 77,191.88 and 30,785.67

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Solution

The fourth proportional to 55,936.17, 77,191.88 and 30,785.67 is: 42,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.17 : 77,191.88 = 30,785.67 : x
  2. Step 2: Convert to fraction form
    55,936.17/77,191.88 = 30,785.67/x
  3. Step 3: Cross multiply
    55,936.17x = 77,191.88 × 30,785.67
  4. Step 4: Simplify right side
    55,936.17x = 2,376,403,590.43
  5. Step 5: Solve for x
    x = 2,376,403,590.43/55,936.17
  6. Step 6: Final answer
    x = 42,484.20

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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.