Home / 40,018.12-60,027.18-10,435.90

Finding the Fourth Proportional to 40,018.12, 60,027.18 and 10,435.90

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Solution

The fourth proportional to 40,018.12, 60,027.18 and 10,435.90 is: 15,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.12 : 60,027.18 = 10,435.90 : x
  2. Step 2: Convert to fraction form
    40,018.12/60,027.18 = 10,435.90/x
  3. Step 3: Cross multiply
    40,018.12x = 60,027.18 × 10,435.90
  4. Step 4: Simplify right side
    40,018.12x = 626,437,647.76
  5. Step 5: Solve for x
    x = 626,437,647.76/40,018.12
  6. Step 6: Final answer
    x = 15,653.85

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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.