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Finding the Fourth Proportional to 50,802.61, 70,110.12 and 30,659.17

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Solution

The fourth proportional to 50,802.61, 70,110.12 and 30,659.17 is: 42,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.61 : 70,110.12 = 30,659.17 : x
  2. Step 2: Convert to fraction form
    50,802.61/70,110.12 = 30,659.17/x
  3. Step 3: Cross multiply
    50,802.61x = 70,110.12 × 30,659.17
  4. Step 4: Simplify right side
    50,802.61x = 2,149,518,087.80
  5. Step 5: Solve for x
    x = 2,149,518,087.80/50,802.61
  6. Step 6: Final answer
    x = 42,311.17

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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.