Home / 40,156.32-60,237.72-12,454.32

Finding the Fourth Proportional to 40,156.32, 60,237.72 and 12,454.32

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Solution

The fourth proportional to 40,156.32, 60,237.72 and 12,454.32 is: 18,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.32 : 60,237.72 = 12,454.32 : x
  2. Step 2: Convert to fraction form
    40,156.32/60,237.72 = 12,454.32/x
  3. Step 3: Cross multiply
    40,156.32x = 60,237.72 × 12,454.32
  4. Step 4: Simplify right side
    40,156.32x = 750,219,840.95
  5. Step 5: Solve for x
    x = 750,219,840.95/40,156.32
  6. Step 6: Final answer
    x = 18,682.48

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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.