Home / 40,362.40-55,693.68-22,457.32

Finding the Fourth Proportional to 40,362.40, 55,693.68 and 22,457.32

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Solution

The fourth proportional to 40,362.40, 55,693.68 and 22,457.32 is: 30,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.40 : 55,693.68 = 22,457.32 : x
  2. Step 2: Convert to fraction form
    40,362.40/55,693.68 = 22,457.32/x
  3. Step 3: Cross multiply
    40,362.40x = 55,693.68 × 22,457.32
  4. Step 4: Simplify right side
    40,362.40x = 1,250,730,793.74
  5. Step 5: Solve for x
    x = 1,250,730,793.74/40,362.40
  6. Step 6: Final answer
    x = 30,987.52

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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.