Home / 40,168.13-55,355.56-29,416.30

Finding the Fourth Proportional to 40,168.13, 55,355.56 and 29,416.30

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Solution

The fourth proportional to 40,168.13, 55,355.56 and 29,416.30 is: 40,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.13 : 55,355.56 = 29,416.30 : x
  2. Step 2: Convert to fraction form
    40,168.13/55,355.56 = 29,416.30/x
  3. Step 3: Cross multiply
    40,168.13x = 55,355.56 × 29,416.30
  4. Step 4: Simplify right side
    40,168.13x = 1,628,355,547.70
  5. Step 5: Solve for x
    x = 1,628,355,547.70/40,168.13
  6. Step 6: Final answer
    x = 40,538.50

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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.