Home / 40,888.01-61,203.51-28,163.09

Finding the Fourth Proportional to 40,888.01, 61,203.51 and 28,163.09

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Solution

The fourth proportional to 40,888.01, 61,203.51 and 28,163.09 is: 42,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.01 : 61,203.51 = 28,163.09 : x
  2. Step 2: Convert to fraction form
    40,888.01/61,203.51 = 28,163.09/x
  3. Step 3: Cross multiply
    40,888.01x = 61,203.51 × 28,163.09
  4. Step 4: Simplify right side
    40,888.01x = 1,723,679,960.45
  5. Step 5: Solve for x
    x = 1,723,679,960.45/40,888.01
  6. Step 6: Final answer
    x = 42,156.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.