Home / 61,138.14-84,370.31-34,280.62

Finding the Fourth Proportional to 61,138.14, 84,370.31 and 34,280.62

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Solution

The fourth proportional to 61,138.14, 84,370.31 and 34,280.62 is: 47,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,138.14 : 84,370.31 = 34,280.62 : x
  2. Step 2: Convert to fraction form
    61,138.14/84,370.31 = 34,280.62/x
  3. Step 3: Cross multiply
    61,138.14x = 84,370.31 × 34,280.62
  4. Step 4: Simplify right side
    61,138.14x = 2,892,266,536.39
  5. Step 5: Solve for x
    x = 2,892,266,536.39/61,138.14
  6. Step 6: Final answer
    x = 47,307.07

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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.