Home / 39,953.64-59,939.66-11,873.08

Finding the Fourth Proportional to 39,953.64, 59,939.66 and 11,873.08

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Solution

The fourth proportional to 39,953.64, 59,939.66 and 11,873.08 is: 17,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.64 : 59,939.66 = 11,873.08 : x
  2. Step 2: Convert to fraction form
    39,953.64/59,939.66 = 11,873.08/x
  3. Step 3: Cross multiply
    39,953.64x = 59,939.66 × 11,873.08
  4. Step 4: Simplify right side
    39,953.64x = 711,668,378.35
  5. Step 5: Solve for x
    x = 711,668,378.35/39,953.64
  6. Step 6: Final answer
    x = 17,812.35

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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.