Home / 61,289.19-84,578.58-34,431.13

Finding the Fourth Proportional to 61,289.19, 84,578.58 and 34,431.13

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Solution

The fourth proportional to 61,289.19, 84,578.58 and 34,431.13 is: 47,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.19 : 84,578.58 = 34,431.13 : x
  2. Step 2: Convert to fraction form
    61,289.19/84,578.58 = 34,431.13/x
  3. Step 3: Cross multiply
    61,289.19x = 84,578.58 × 34,431.13
  4. Step 4: Simplify right side
    61,289.19x = 2,912,136,294.64
  5. Step 5: Solve for x
    x = 2,912,136,294.64/61,289.19
  6. Step 6: Final answer
    x = 47,514.68

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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.