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Finding the Fourth Proportional to 35,503.88, 48,995.50 and 19,588.32

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Solution

The fourth proportional to 35,503.88, 48,995.50 and 19,588.32 is: 27,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.88 : 48,995.50 = 19,588.32 : x
  2. Step 2: Convert to fraction form
    35,503.88/48,995.50 = 19,588.32/x
  3. Step 3: Cross multiply
    35,503.88x = 48,995.50 × 19,588.32
  4. Step 4: Simplify right side
    35,503.88x = 959,739,532.56
  5. Step 5: Solve for x
    x = 959,739,532.56/35,503.88
  6. Step 6: Final answer
    x = 27,031.96

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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.