Home / 42,448.01-63,671.96-10,858.11

Finding the Fourth Proportional to 42,448.01, 63,671.96 and 10,858.11

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Solution

The fourth proportional to 42,448.01, 63,671.96 and 10,858.11 is: 16,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.01 : 63,671.96 = 10,858.11 : x
  2. Step 2: Convert to fraction form
    42,448.01/63,671.96 = 10,858.11/x
  3. Step 3: Cross multiply
    42,448.01x = 63,671.96 × 10,858.11
  4. Step 4: Simplify right side
    42,448.01x = 691,357,091.31
  5. Step 5: Solve for x
    x = 691,357,091.31/42,448.01
  6. Step 6: Final answer
    x = 16,287.15

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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.