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Finding the Fourth Proportional to 60,969.84, 84,130.02 and 35,474.28

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Solution

The fourth proportional to 60,969.84, 84,130.02 and 35,474.28 is: 48,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,969.84 : 84,130.02 = 35,474.28 : x
  2. Step 2: Convert to fraction form
    60,969.84/84,130.02 = 35,474.28/x
  3. Step 3: Cross multiply
    60,969.84x = 84,130.02 × 35,474.28
  4. Step 4: Simplify right side
    60,969.84x = 2,984,451,885.89
  5. Step 5: Solve for x
    x = 2,984,451,885.89/60,969.84
  6. Step 6: Final answer
    x = 48,949.64

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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.