Home / 36,427.32-54,606.76-12,720.24

Finding the Fourth Proportional to 36,427.32, 54,606.76 and 12,720.24

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Solution

The fourth proportional to 36,427.32, 54,606.76 and 12,720.24 is: 19,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.32 : 54,606.76 = 12,720.24 : x
  2. Step 2: Convert to fraction form
    36,427.32/54,606.76 = 12,720.24/x
  3. Step 3: Cross multiply
    36,427.32x = 54,606.76 × 12,720.24
  4. Step 4: Simplify right side
    36,427.32x = 694,611,061.02
  5. Step 5: Solve for x
    x = 694,611,061.02/36,427.32
  6. Step 6: Final answer
    x = 19,068.41

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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.