Home / 40,445.37-60,671.13-13,783.08

Finding the Fourth Proportional to 40,445.37, 60,671.13 and 13,783.08

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Solution

The fourth proportional to 40,445.37, 60,671.13 and 13,783.08 is: 20,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.37 : 60,671.13 = 13,783.08 : x
  2. Step 2: Convert to fraction form
    40,445.37/60,671.13 = 13,783.08/x
  3. Step 3: Cross multiply
    40,445.37x = 60,671.13 × 13,783.08
  4. Step 4: Simplify right side
    40,445.37x = 836,234,735.12
  5. Step 5: Solve for x
    x = 836,234,735.12/40,445.37
  6. Step 6: Final answer
    x = 20,675.66

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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.