Home / 42,831.59-64,242.74-11,244.82

Finding the Fourth Proportional to 42,831.59, 64,242.74 and 11,244.82

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Solution

The fourth proportional to 42,831.59, 64,242.74 and 11,244.82 is: 16,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,831.59 : 64,242.74 = 11,244.82 : x
  2. Step 2: Convert to fraction form
    42,831.59/64,242.74 = 11,244.82/x
  3. Step 3: Cross multiply
    42,831.59x = 64,242.74 × 11,244.82
  4. Step 4: Simplify right side
    42,831.59x = 722,397,791.63
  5. Step 5: Solve for x
    x = 722,397,791.63/42,831.59
  6. Step 6: Final answer
    x = 16,866.01

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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.