Home / 56,149.54-77,394.04-39,802.22

Finding the Fourth Proportional to 56,149.54, 77,394.04 and 39,802.22

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Solution

The fourth proportional to 56,149.54, 77,394.04 and 39,802.22 is: 54,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.54 : 77,394.04 = 39,802.22 : x
  2. Step 2: Convert to fraction form
    56,149.54/77,394.04 = 39,802.22/x
  3. Step 3: Cross multiply
    56,149.54x = 77,394.04 × 39,802.22
  4. Step 4: Simplify right side
    56,149.54x = 3,080,454,606.77
  5. Step 5: Solve for x
    x = 3,080,454,606.77/56,149.54
  6. Step 6: Final answer
    x = 54,861.62

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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.