Home / 52,740.64-79,111.02-19,446.28

Finding the Fourth Proportional to 52,740.64, 79,111.02 and 19,446.28

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Solution

The fourth proportional to 52,740.64, 79,111.02 and 19,446.28 is: 29,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.64 : 79,111.02 = 19,446.28 : x
  2. Step 2: Convert to fraction form
    52,740.64/79,111.02 = 19,446.28/x
  3. Step 3: Cross multiply
    52,740.64x = 79,111.02 × 19,446.28
  4. Step 4: Simplify right side
    52,740.64x = 1,538,415,046.01
  5. Step 5: Solve for x
    x = 1,538,415,046.01/52,740.64
  6. Step 6: Final answer
    x = 29,169.44

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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.