Home / 38,656.71-58,007.37-20,887.42

Finding the Fourth Proportional to 38,656.71, 58,007.37 and 20,887.42

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Solution

The fourth proportional to 38,656.71, 58,007.37 and 20,887.42 is: 31,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.71 : 58,007.37 = 20,887.42 : x
  2. Step 2: Convert to fraction form
    38,656.71/58,007.37 = 20,887.42/x
  3. Step 3: Cross multiply
    38,656.71x = 58,007.37 × 20,887.42
  4. Step 4: Simplify right side
    38,656.71x = 1,211,624,300.29
  5. Step 5: Solve for x
    x = 1,211,624,300.29/38,656.71
  6. Step 6: Final answer
    x = 31,343.18

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1.5x scale

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.