Home / 40,679.24-56,130.68-25,561.20

Finding the Fourth Proportional to 40,679.24, 56,130.68 and 25,561.20

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Solution

The fourth proportional to 40,679.24, 56,130.68 and 25,561.20 is: 35,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.24 : 56,130.68 = 25,561.20 : x
  2. Step 2: Convert to fraction form
    40,679.24/56,130.68 = 25,561.20/x
  3. Step 3: Cross multiply
    40,679.24x = 56,130.68 × 25,561.20
  4. Step 4: Simplify right side
    40,679.24x = 1,434,767,409.81
  5. Step 5: Solve for x
    x = 1,434,767,409.81/40,679.24
  6. Step 6: Final answer
    x = 35,270.26

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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.