Home / 35,856.45-49,485.86-20,748.94

Finding the Fourth Proportional to 35,856.45, 49,485.86 and 20,748.94

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Solution

The fourth proportional to 35,856.45, 49,485.86 and 20,748.94 is: 28,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.45 : 49,485.86 = 20,748.94 : x
  2. Step 2: Convert to fraction form
    35,856.45/49,485.86 = 20,748.94/x
  3. Step 3: Cross multiply
    35,856.45x = 49,485.86 × 20,748.94
  4. Step 4: Simplify right side
    35,856.45x = 1,026,779,139.99
  5. Step 5: Solve for x
    x = 1,026,779,139.99/35,856.45
  6. Step 6: Final answer
    x = 28,635.83

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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.