Home / 58,138.57-80,246.55-34,281.13

Finding the Fourth Proportional to 58,138.57, 80,246.55 and 34,281.13

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Solution

The fourth proportional to 58,138.57, 80,246.55 and 34,281.13 is: 47,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,138.57 : 80,246.55 = 34,281.13 : x
  2. Step 2: Convert to fraction form
    58,138.57/80,246.55 = 34,281.13/x
  3. Step 3: Cross multiply
    58,138.57x = 80,246.55 × 34,281.13
  4. Step 4: Simplify right side
    58,138.57x = 2,750,942,412.60
  5. Step 5: Solve for x
    x = 2,750,942,412.60/58,138.57
  6. Step 6: Final answer
    x = 47,316.99

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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.