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Finding the Fourth Proportional to 36,045.60, 54,003.60 and 30,861.60

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Solution

The fourth proportional to 36,045.60, 54,003.60 and 30,861.60 is: 46,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.60 : 54,003.60 = 30,861.60 : x
  2. Step 2: Convert to fraction form
    36,045.60/54,003.60 = 30,861.60/x
  3. Step 3: Cross multiply
    36,045.60x = 54,003.60 × 30,861.60
  4. Step 4: Simplify right side
    36,045.60x = 1,666,637,501.76
  5. Step 5: Solve for x
    x = 1,666,637,501.76/36,045.60
  6. Step 6: Final answer
    x = 46,236.92

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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.