Home / 58,181.06-80,337.21-47,427.62

Finding the Fourth Proportional to 58,181.06, 80,337.21 and 47,427.62

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Solution

The fourth proportional to 58,181.06, 80,337.21 and 47,427.62 is: 65,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.06 : 80,337.21 = 47,427.62 : x
  2. Step 2: Convert to fraction form
    58,181.06/80,337.21 = 47,427.62/x
  3. Step 3: Cross multiply
    58,181.06x = 80,337.21 × 47,427.62
  4. Step 4: Simplify right side
    58,181.06x = 3,810,202,667.74
  5. Step 5: Solve for x
    x = 3,810,202,667.74/58,181.06
  6. Step 6: Final answer
    x = 65,488.71

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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.