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Finding the Fourth Proportional to 35,648.97, 53,526.02 and 19,884.80

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Solution

The fourth proportional to 35,648.97, 53,526.02 and 19,884.80 is: 29,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.97 : 53,526.02 = 19,884.80 : x
  2. Step 2: Convert to fraction form
    35,648.97/53,526.02 = 19,884.80/x
  3. Step 3: Cross multiply
    35,648.97x = 53,526.02 × 19,884.80
  4. Step 4: Simplify right side
    35,648.97x = 1,064,353,935.80
  5. Step 5: Solve for x
    x = 1,064,353,935.80/35,648.97
  6. Step 6: Final answer
    x = 29,856.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.