Home / 34,699.84-47,861.04-21,274.24

Finding the Fourth Proportional to 34,699.84, 47,861.04 and 21,274.24

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Solution

The fourth proportional to 34,699.84, 47,861.04 and 21,274.24 is: 29,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.84 : 47,861.04 = 21,274.24 : x
  2. Step 2: Convert to fraction form
    34,699.84/47,861.04 = 21,274.24/x
  3. Step 3: Cross multiply
    34,699.84x = 47,861.04 × 21,274.24
  4. Step 4: Simplify right side
    34,699.84x = 1,018,207,251.61
  5. Step 5: Solve for x
    x = 1,018,207,251.61/34,699.84
  6. Step 6: Final answer
    x = 29,343.28

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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.