Home / 40,225.07-55,508.19-22,319.01

Finding the Fourth Proportional to 40,225.07, 55,508.19 and 22,319.01

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Solution

The fourth proportional to 40,225.07, 55,508.19 and 22,319.01 is: 30,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.07 : 55,508.19 = 22,319.01 : x
  2. Step 2: Convert to fraction form
    40,225.07/55,508.19 = 22,319.01/x
  3. Step 3: Cross multiply
    40,225.07x = 55,508.19 × 22,319.01
  4. Step 4: Simplify right side
    40,225.07x = 1,238,887,764.00
  5. Step 5: Solve for x
    x = 1,238,887,764.00/40,225.07
  6. Step 6: Final answer
    x = 30,798.89

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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.