Home / 55,570.60-83,297.58-39,979.72

Finding the Fourth Proportional to 55,570.60, 83,297.58 and 39,979.72

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Solution

The fourth proportional to 55,570.60, 83,297.58 and 39,979.72 is: 59,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.60 : 83,297.58 = 39,979.72 : x
  2. Step 2: Convert to fraction form
    55,570.60/83,297.58 = 39,979.72/x
  3. Step 3: Cross multiply
    55,570.60x = 83,297.58 × 39,979.72
  4. Step 4: Simplify right side
    55,570.60x = 3,330,213,925.08
  5. Step 5: Solve for x
    x = 3,330,213,925.08/55,570.60
  6. Step 6: Final answer
    x = 59,927.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.