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Finding the Fourth Proportional to 55,997.51, 77,289.14 and 35,585.51

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Solution

The fourth proportional to 55,997.51, 77,289.14 and 35,585.51 is: 49,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.51 : 77,289.14 = 35,585.51 : x
  2. Step 2: Convert to fraction form
    55,997.51/77,289.14 = 35,585.51/x
  3. Step 3: Cross multiply
    55,997.51x = 77,289.14 × 35,585.51
  4. Step 4: Simplify right side
    55,997.51x = 2,750,373,464.36
  5. Step 5: Solve for x
    x = 2,750,373,464.36/55,997.51
  6. Step 6: Final answer
    x = 49,116.00

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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.