Home / 42,548.13-63,822.21-19,147.23

Finding the Fourth Proportional to 42,548.13, 63,822.21 and 19,147.23

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Solution

The fourth proportional to 42,548.13, 63,822.21 and 19,147.23 is: 28,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.13 : 63,822.21 = 19,147.23 : x
  2. Step 2: Convert to fraction form
    42,548.13/63,822.21 = 19,147.23/x
  3. Step 3: Cross multiply
    42,548.13x = 63,822.21 × 19,147.23
  4. Step 4: Simplify right side
    42,548.13x = 1,222,018,533.98
  5. Step 5: Solve for x
    x = 1,222,018,533.98/42,548.13
  6. Step 6: Final answer
    x = 28,720.85

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Similar ratio
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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.