Home / 57,027.52-78,698.76-34,390.12

Finding the Fourth Proportional to 57,027.52, 78,698.76 and 34,390.12

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Solution

The fourth proportional to 57,027.52, 78,698.76 and 34,390.12 is: 47,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.52 : 78,698.76 = 34,390.12 : x
  2. Step 2: Convert to fraction form
    57,027.52/78,698.76 = 34,390.12/x
  3. Step 3: Cross multiply
    57,027.52x = 78,698.76 × 34,390.12
  4. Step 4: Simplify right side
    57,027.52x = 2,706,459,800.25
  5. Step 5: Solve for x
    x = 2,706,459,800.25/57,027.52
  6. Step 6: Final answer
    x = 47,458.84

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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.