Home / 40,386.83-55,739.06-23,165.91

Finding the Fourth Proportional to 40,386.83, 55,739.06 and 23,165.91

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Solution

The fourth proportional to 40,386.83, 55,739.06 and 23,165.91 is: 31,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.83 : 55,739.06 = 23,165.91 : x
  2. Step 2: Convert to fraction form
    40,386.83/55,739.06 = 23,165.91/x
  3. Step 3: Cross multiply
    40,386.83x = 55,739.06 × 23,165.91
  4. Step 4: Simplify right side
    40,386.83x = 1,291,246,070.96
  5. Step 5: Solve for x
    x = 1,291,246,070.96/40,386.83
  6. Step 6: Final answer
    x = 31,971.96

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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.