Home / 20,036.02-30,056.76-8,346.50

Finding the Fourth Proportional to 20,036.02, 30,056.76 and 8,346.50

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Solution

The fourth proportional to 20,036.02, 30,056.76 and 8,346.50 is: 12,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.02 : 30,056.76 = 8,346.50 : x
  2. Step 2: Convert to fraction form
    20,036.02/30,056.76 = 8,346.50/x
  3. Step 3: Cross multiply
    20,036.02x = 30,056.76 × 8,346.50
  4. Step 4: Simplify right side
    20,036.02x = 250,868,705.61
  5. Step 5: Solve for x
    x = 250,868,705.61/20,036.02
  6. Step 6: Final answer
    x = 12,520.89

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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.