Home / 40,907.54-61,328.14-18,401.74

Finding the Fourth Proportional to 40,907.54, 61,328.14 and 18,401.74

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Solution

The fourth proportional to 40,907.54, 61,328.14 and 18,401.74 is: 27,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.54 : 61,328.14 = 18,401.74 : x
  2. Step 2: Convert to fraction form
    40,907.54/61,328.14 = 18,401.74/x
  3. Step 3: Cross multiply
    40,907.54x = 61,328.14 × 18,401.74
  4. Step 4: Simplify right side
    40,907.54x = 1,128,544,486.96
  5. Step 5: Solve for x
    x = 1,128,544,486.96/40,907.54
  6. Step 6: Final answer
    x = 27,587.69

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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.