Home / 36,444.64-54,645.36-12,740.80

Finding the Fourth Proportional to 36,444.64, 54,645.36 and 12,740.80

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Solution

The fourth proportional to 36,444.64, 54,645.36 and 12,740.80 is: 19,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,444.64 : 54,645.36 = 12,740.80 : x
  2. Step 2: Convert to fraction form
    36,444.64/54,645.36 = 12,740.80/x
  3. Step 3: Cross multiply
    36,444.64x = 54,645.36 × 12,740.80
  4. Step 4: Simplify right side
    36,444.64x = 696,225,602.69
  5. Step 5: Solve for x
    x = 696,225,602.69/36,444.64
  6. Step 6: Final answer
    x = 19,103.65

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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.