Home / 61,619.64-85,035.12-34,767.83

Finding the Fourth Proportional to 61,619.64, 85,035.12 and 34,767.83

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Solution

The fourth proportional to 61,619.64, 85,035.12 and 34,767.83 is: 47,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.64 : 85,035.12 = 34,767.83 : x
  2. Step 2: Convert to fraction form
    61,619.64/85,035.12 = 34,767.83/x
  3. Step 3: Cross multiply
    61,619.64x = 85,035.12 × 34,767.83
  4. Step 4: Simplify right side
    61,619.64x = 2,956,486,678.40
  5. Step 5: Solve for x
    x = 2,956,486,678.40/61,619.64
  6. Step 6: Final answer
    x = 47,979.62

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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.