Home / 40,271.79-55,579.48-23,045.75

Finding the Fourth Proportional to 40,271.79, 55,579.48 and 23,045.75

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Solution

The fourth proportional to 40,271.79, 55,579.48 and 23,045.75 is: 31,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.79 : 55,579.48 = 23,045.75 : x
  2. Step 2: Convert to fraction form
    40,271.79/55,579.48 = 23,045.75/x
  3. Step 3: Cross multiply
    40,271.79x = 55,579.48 × 23,045.75
  4. Step 4: Simplify right side
    40,271.79x = 1,280,870,801.21
  5. Step 5: Solve for x
    x = 1,280,870,801.21/40,271.79
  6. Step 6: Final answer
    x = 31,805.66

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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.