Home / 40,936.98-56,490-22,788.38

Finding the Fourth Proportional to 40,936.98, 56,490 and 22,788.38

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Solution

The fourth proportional to 40,936.98, 56,490 and 22,788.38 is: 31,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,936.98 : 56,490 = 22,788.38 : x
  2. Step 2: Convert to fraction form
    40,936.98/56,490 = 22,788.38/x
  3. Step 3: Cross multiply
    40,936.98x = 56,490 × 22,788.38
  4. Step 4: Simplify right side
    40,936.98x = 1,287,315,586.20
  5. Step 5: Solve for x
    x = 1,287,315,586.20/40,936.98
  6. Step 6: Final answer
    x = 31,446.28

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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.