Home / 42,321.23-63,483.14-18,616.49

Finding the Fourth Proportional to 42,321.23, 63,483.14 and 18,616.49

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Solution

The fourth proportional to 42,321.23, 63,483.14 and 18,616.49 is: 27,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.23 : 63,483.14 = 18,616.49 : x
  2. Step 2: Convert to fraction form
    42,321.23/63,483.14 = 18,616.49/x
  3. Step 3: Cross multiply
    42,321.23x = 63,483.14 × 18,616.49
  4. Step 4: Simplify right side
    42,321.23x = 1,181,833,240.98
  5. Step 5: Solve for x
    x = 1,181,833,240.98/42,321.23
  6. Step 6: Final answer
    x = 27,925.30

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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.