Home / 35,049.78-48,368.34-21,615.66

Finding the Fourth Proportional to 35,049.78, 48,368.34 and 21,615.66

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Solution

The fourth proportional to 35,049.78, 48,368.34 and 21,615.66 is: 29,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,049.78 : 48,368.34 = 21,615.66 : x
  2. Step 2: Convert to fraction form
    35,049.78/48,368.34 = 21,615.66/x
  3. Step 3: Cross multiply
    35,049.78x = 48,368.34 × 21,615.66
  4. Step 4: Simplify right side
    35,049.78x = 1,045,513,592.20
  5. Step 5: Solve for x
    x = 1,045,513,592.20/35,049.78
  6. Step 6: Final answer
    x = 29,829.39

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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.