Home / 39,923.89-55,095.38-22,018.74

Finding the Fourth Proportional to 39,923.89, 55,095.38 and 22,018.74

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Solution

The fourth proportional to 39,923.89, 55,095.38 and 22,018.74 is: 30,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.89 : 55,095.38 = 22,018.74 : x
  2. Step 2: Convert to fraction form
    39,923.89/55,095.38 = 22,018.74/x
  3. Step 3: Cross multiply
    39,923.89x = 55,095.38 × 22,018.74
  4. Step 4: Simplify right side
    39,923.89x = 1,213,130,847.42
  5. Step 5: Solve for x
    x = 1,213,130,847.42/39,923.89
  6. Step 6: Final answer
    x = 30,386.09

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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.