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Finding the Fourth Proportional to 35,993.19, 53,993.16 and 13,497.87

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Solution

The fourth proportional to 35,993.19, 53,993.16 and 13,497.87 is: 20,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,993.19 : 53,993.16 = 13,497.87 : x
  2. Step 2: Convert to fraction form
    35,993.19/53,993.16 = 13,497.87/x
  3. Step 3: Cross multiply
    35,993.19x = 53,993.16 × 13,497.87
  4. Step 4: Simplify right side
    35,993.19x = 728,792,654.57
  5. Step 5: Solve for x
    x = 728,792,654.57/35,993.19
  6. Step 6: Final answer
    x = 20,248.07

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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.