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Finding the Fourth Proportional to 35,124.40, 52,686.60 and 34,905.70

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Solution

The fourth proportional to 35,124.40, 52,686.60 and 34,905.70 is: 52,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.40 : 52,686.60 = 34,905.70 : x
  2. Step 2: Convert to fraction form
    35,124.40/52,686.60 = 34,905.70/x
  3. Step 3: Cross multiply
    35,124.40x = 52,686.60 × 34,905.70
  4. Step 4: Simplify right side
    35,124.40x = 1,839,062,653.62
  5. Step 5: Solve for x
    x = 1,839,062,653.62/35,124.40
  6. Step 6: Final answer
    x = 52,358.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.