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Finding the Fourth Proportional to 35,346.94, 48,774.05 and 21,913.29

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Solution

The fourth proportional to 35,346.94, 48,774.05 and 21,913.29 is: 30,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.94 : 48,774.05 = 21,913.29 : x
  2. Step 2: Convert to fraction form
    35,346.94/48,774.05 = 21,913.29/x
  3. Step 3: Cross multiply
    35,346.94x = 48,774.05 × 21,913.29
  4. Step 4: Simplify right side
    35,346.94x = 1,068,799,902.12
  5. Step 5: Solve for x
    x = 1,068,799,902.12/35,346.94
  6. Step 6: Final answer
    x = 30,237.41

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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.