Home / 39,830.09-54,959.19-22,831.08

Finding the Fourth Proportional to 39,830.09, 54,959.19 and 22,831.08

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Solution

The fourth proportional to 39,830.09, 54,959.19 and 22,831.08 is: 31,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.09 : 54,959.19 = 22,831.08 : x
  2. Step 2: Convert to fraction form
    39,830.09/54,959.19 = 22,831.08/x
  3. Step 3: Cross multiply
    39,830.09x = 54,959.19 × 22,831.08
  4. Step 4: Simplify right side
    39,830.09x = 1,254,777,663.63
  5. Step 5: Solve for x
    x = 1,254,777,663.63/39,830.09
  6. Step 6: Final answer
    x = 31,503.26

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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.