Home / 20,350.02-30,518.80-12,027.74

Finding the Fourth Proportional to 20,350.02, 30,518.80 and 12,027.74

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Solution

The fourth proportional to 20,350.02, 30,518.80 and 12,027.74 is: 18,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.02 : 30,518.80 = 12,027.74 : x
  2. Step 2: Convert to fraction form
    20,350.02/30,518.80 = 12,027.74/x
  3. Step 3: Cross multiply
    20,350.02x = 30,518.80 × 12,027.74
  4. Step 4: Simplify right side
    20,350.02x = 367,072,191.51
  5. Step 5: Solve for x
    x = 367,072,191.51/20,350.02
  6. Step 6: Final answer
    x = 18,037.93

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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.