Home / 30,899.56-42,625.64-19,549.92

Finding the Fourth Proportional to 30,899.56, 42,625.64 and 19,549.92

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Solution

The fourth proportional to 30,899.56, 42,625.64 and 19,549.92 is: 26,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.56 : 42,625.64 = 19,549.92 : x
  2. Step 2: Convert to fraction form
    30,899.56/42,625.64 = 19,549.92/x
  3. Step 3: Cross multiply
    30,899.56x = 42,625.64 × 19,549.92
  4. Step 4: Simplify right side
    30,899.56x = 833,327,851.95
  5. Step 5: Solve for x
    x = 833,327,851.95/30,899.56
  6. Step 6: Final answer
    x = 26,968.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.