Home / 34,774.60-47,989.30-18,859.16

Finding the Fourth Proportional to 34,774.60, 47,989.30 and 18,859.16

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Solution

The fourth proportional to 34,774.60, 47,989.30 and 18,859.16 is: 26,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.60 : 47,989.30 = 18,859.16 : x
  2. Step 2: Convert to fraction form
    34,774.60/47,989.30 = 18,859.16/x
  3. Step 3: Cross multiply
    34,774.60x = 47,989.30 × 18,859.16
  4. Step 4: Simplify right side
    34,774.60x = 905,037,886.99
  5. Step 5: Solve for x
    x = 905,037,886.99/34,774.60
  6. Step 6: Final answer
    x = 26,025.83

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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.