Home / 55,936.53-77,190.96-30,443.40

Finding the Fourth Proportional to 55,936.53, 77,190.96 and 30,443.40

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Solution

The fourth proportional to 55,936.53, 77,190.96 and 30,443.40 is: 42,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.53 : 77,190.96 = 30,443.40 : x
  2. Step 2: Convert to fraction form
    55,936.53/77,190.96 = 30,443.40/x
  3. Step 3: Cross multiply
    55,936.53x = 77,190.96 × 30,443.40
  4. Step 4: Simplify right side
    55,936.53x = 2,349,955,271.66
  5. Step 5: Solve for x
    x = 2,349,955,271.66/55,936.53
  6. Step 6: Final answer
    x = 42,011.10

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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.