Home / 40,173.08-55,442.76-23,405

Finding the Fourth Proportional to 40,173.08, 55,442.76 and 23,405

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Solution

The fourth proportional to 40,173.08, 55,442.76 and 23,405 is: 32,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.08 : 55,442.76 = 23,405 : x
  2. Step 2: Convert to fraction form
    40,173.08/55,442.76 = 23,405/x
  3. Step 3: Cross multiply
    40,173.08x = 55,442.76 × 23,405
  4. Step 4: Simplify right side
    40,173.08x = 1,297,637,797.80
  5. Step 5: Solve for x
    x = 1,297,637,797.80/40,173.08
  6. Step 6: Final answer
    x = 32,301.18

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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.