Home / 36,117.65-49,831.99-20,801.36

Finding the Fourth Proportional to 36,117.65, 49,831.99 and 20,801.36

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Solution

The fourth proportional to 36,117.65, 49,831.99 and 20,801.36 is: 28,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.65 : 49,831.99 = 20,801.36 : x
  2. Step 2: Convert to fraction form
    36,117.65/49,831.99 = 20,801.36/x
  3. Step 3: Cross multiply
    36,117.65x = 49,831.99 × 20,801.36
  4. Step 4: Simplify right side
    36,117.65x = 1,036,573,236.08
  5. Step 5: Solve for x
    x = 1,036,573,236.08/36,117.65
  6. Step 6: Final answer
    x = 28,699.91

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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.