Home / 35,407.08-48,861.48-20,299.76

Finding the Fourth Proportional to 35,407.08, 48,861.48 and 20,299.76

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Solution

The fourth proportional to 35,407.08, 48,861.48 and 20,299.76 is: 28,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.08 : 48,861.48 = 20,299.76 : x
  2. Step 2: Convert to fraction form
    35,407.08/48,861.48 = 20,299.76/x
  3. Step 3: Cross multiply
    35,407.08x = 48,861.48 × 20,299.76
  4. Step 4: Simplify right side
    35,407.08x = 991,876,317.24
  5. Step 5: Solve for x
    x = 991,876,317.24/35,407.08
  6. Step 6: Final answer
    x = 28,013.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.