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Finding the Fourth Proportional to 60,812.64, 83,935.44 and 35,670.24

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Solution

The fourth proportional to 60,812.64, 83,935.44 and 35,670.24 is: 49,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.64 : 83,935.44 = 35,670.24 : x
  2. Step 2: Convert to fraction form
    60,812.64/83,935.44 = 35,670.24/x
  3. Step 3: Cross multiply
    60,812.64x = 83,935.44 × 35,670.24
  4. Step 4: Simplify right side
    60,812.64x = 2,993,997,289.31
  5. Step 5: Solve for x
    x = 2,993,997,289.31/60,812.64
  6. Step 6: Final answer
    x = 49,233.14

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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.