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Finding the Fourth Proportional to 35,496.45, 53,199.45 and 18,864.45

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Solution

The fourth proportional to 35,496.45, 53,199.45 and 18,864.45 is: 28,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.45 : 53,199.45 = 18,864.45 : x
  2. Step 2: Convert to fraction form
    35,496.45/53,199.45 = 18,864.45/x
  3. Step 3: Cross multiply
    35,496.45x = 53,199.45 × 18,864.45
  4. Step 4: Simplify right side
    35,496.45x = 1,003,578,364.55
  5. Step 5: Solve for x
    x = 1,003,578,364.55/35,496.45
  6. Step 6: Final answer
    x = 28,272.64

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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.