Home / 61,158.02-84,319.94-39,609.69

Finding the Fourth Proportional to 61,158.02, 84,319.94 and 39,609.69

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Solution

The fourth proportional to 61,158.02, 84,319.94 and 39,609.69 is: 54,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,158.02 : 84,319.94 = 39,609.69 : x
  2. Step 2: Convert to fraction form
    61,158.02/84,319.94 = 39,609.69/x
  3. Step 3: Cross multiply
    61,158.02x = 84,319.94 × 39,609.69
  4. Step 4: Simplify right side
    61,158.02x = 3,339,886,486.17
  5. Step 5: Solve for x
    x = 3,339,886,486.17/61,158.02
  6. Step 6: Final answer
    x = 54,610.77

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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.