Home / 57,811.10-86,819.05-42,246.30

Finding the Fourth Proportional to 57,811.10, 86,819.05 and 42,246.30

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Solution

The fourth proportional to 57,811.10, 86,819.05 and 42,246.30 is: 63,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811.10 : 86,819.05 = 42,246.30 : x
  2. Step 2: Convert to fraction form
    57,811.10/86,819.05 = 42,246.30/x
  3. Step 3: Cross multiply
    57,811.10x = 86,819.05 × 42,246.30
  4. Step 4: Simplify right side
    57,811.10x = 3,667,783,632.02
  5. Step 5: Solve for x
    x = 3,667,783,632.02/57,811.10
  6. Step 6: Final answer
    x = 63,444.28

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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.