Home / 40,382.37-55,730.69-23,391.20

Finding the Fourth Proportional to 40,382.37, 55,730.69 and 23,391.20

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Solution

The fourth proportional to 40,382.37, 55,730.69 and 23,391.20 is: 32,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.37 : 55,730.69 = 23,391.20 : x
  2. Step 2: Convert to fraction form
    40,382.37/55,730.69 = 23,391.20/x
  3. Step 3: Cross multiply
    40,382.37x = 55,730.69 × 23,391.20
  4. Step 4: Simplify right side
    40,382.37x = 1,303,607,715.93
  5. Step 5: Solve for x
    x = 1,303,607,715.93/40,382.37
  6. Step 6: Final answer
    x = 32,281.60

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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.