Home / 40,679.19-56,157.68-25,580.17

Finding the Fourth Proportional to 40,679.19, 56,157.68 and 25,580.17

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Solution

The fourth proportional to 40,679.19, 56,157.68 and 25,580.17 is: 35,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.19 : 56,157.68 = 25,580.17 : x
  2. Step 2: Convert to fraction form
    40,679.19/56,157.68 = 25,580.17/x
  3. Step 3: Cross multiply
    40,679.19x = 56,157.68 × 25,580.17
  4. Step 4: Simplify right side
    40,679.19x = 1,436,523,001.21
  5. Step 5: Solve for x
    x = 1,436,523,001.21/40,679.19
  6. Step 6: Final answer
    x = 35,313.46

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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.