Home / 40,411.32-55,762.72-23,182.79

Finding the Fourth Proportional to 40,411.32, 55,762.72 and 23,182.79

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Solution

The fourth proportional to 40,411.32, 55,762.72 and 23,182.79 is: 31,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.32 : 55,762.72 = 23,182.79 : x
  2. Step 2: Convert to fraction form
    40,411.32/55,762.72 = 23,182.79/x
  3. Step 3: Cross multiply
    40,411.32x = 55,762.72 × 23,182.79
  4. Step 4: Simplify right side
    40,411.32x = 1,292,735,509.04
  5. Step 5: Solve for x
    x = 1,292,735,509.04/40,411.32
  6. Step 6: Final answer
    x = 31,989.44

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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.