Home / 42,507.51-63,739.38-17,542.92

Finding the Fourth Proportional to 42,507.51, 63,739.38 and 17,542.92

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Solution

The fourth proportional to 42,507.51, 63,739.38 and 17,542.92 is: 26,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.51 : 63,739.38 = 17,542.92 : x
  2. Step 2: Convert to fraction form
    42,507.51/63,739.38 = 17,542.92/x
  3. Step 3: Cross multiply
    42,507.51x = 63,739.38 × 17,542.92
  4. Step 4: Simplify right side
    42,507.51x = 1,118,174,844.19
  5. Step 5: Solve for x
    x = 1,118,174,844.19/42,507.51
  6. Step 6: Final answer
    x = 26,305.35

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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.