Home / 40,037.83-60,019.60-18,987.72

Finding the Fourth Proportional to 40,037.83, 60,019.60 and 18,987.72

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Solution

The fourth proportional to 40,037.83, 60,019.60 and 18,987.72 is: 28,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.83 : 60,019.60 = 18,987.72 : x
  2. Step 2: Convert to fraction form
    40,037.83/60,019.60 = 18,987.72/x
  3. Step 3: Cross multiply
    40,037.83x = 60,019.60 × 18,987.72
  4. Step 4: Simplify right side
    40,037.83x = 1,139,635,122.37
  5. Step 5: Solve for x
    x = 1,139,635,122.37/40,037.83
  6. Step 6: Final answer
    x = 28,463.96

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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.