Home / 40,153.48-55,437.81-25,819.75

Finding the Fourth Proportional to 40,153.48, 55,437.81 and 25,819.75

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Solution

The fourth proportional to 40,153.48, 55,437.81 and 25,819.75 is: 35,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.48 : 55,437.81 = 25,819.75 : x
  2. Step 2: Convert to fraction form
    40,153.48/55,437.81 = 25,819.75/x
  3. Step 3: Cross multiply
    40,153.48x = 55,437.81 × 25,819.75
  4. Step 4: Simplify right side
    40,153.48x = 1,431,390,394.75
  5. Step 5: Solve for x
    x = 1,431,390,394.75/40,153.48
  6. Step 6: Final answer
    x = 35,647.98

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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.