Home / 40,379.60-55,723.32-23,386.16

Finding the Fourth Proportional to 40,379.60, 55,723.32 and 23,386.16

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Solution

The fourth proportional to 40,379.60, 55,723.32 and 23,386.16 is: 32,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.60 : 55,723.32 = 23,386.16 : x
  2. Step 2: Convert to fraction form
    40,379.60/55,723.32 = 23,386.16/x
  3. Step 3: Cross multiply
    40,379.60x = 55,723.32 × 23,386.16
  4. Step 4: Simplify right side
    40,379.60x = 1,303,154,477.25
  5. Step 5: Solve for x
    x = 1,303,154,477.25/40,379.60
  6. Step 6: Final answer
    x = 32,272.60

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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.