Home / 55,936.04-77,190.27-30,442.90

Finding the Fourth Proportional to 55,936.04, 77,190.27 and 30,442.90

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Solution

The fourth proportional to 55,936.04, 77,190.27 and 30,442.90 is: 42,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.04 : 77,190.27 = 30,442.90 : x
  2. Step 2: Convert to fraction form
    55,936.04/77,190.27 = 30,442.90/x
  3. Step 3: Cross multiply
    55,936.04x = 77,190.27 × 30,442.90
  4. Step 4: Simplify right side
    55,936.04x = 2,349,895,670.58
  5. Step 5: Solve for x
    x = 2,349,895,670.58/55,936.04
  6. Step 6: Final answer
    x = 42,010.40

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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.