Home / 35,531.66-53,302.76-11,831.47

Finding the Fourth Proportional to 35,531.66, 53,302.76 and 11,831.47

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Solution

The fourth proportional to 35,531.66, 53,302.76 and 11,831.47 is: 17,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.66 : 53,302.76 = 11,831.47 : x
  2. Step 2: Convert to fraction form
    35,531.66/53,302.76 = 11,831.47/x
  3. Step 3: Cross multiply
    35,531.66x = 53,302.76 × 11,831.47
  4. Step 4: Simplify right side
    35,531.66x = 630,650,005.86
  5. Step 5: Solve for x
    x = 630,650,005.86/35,531.66
  6. Step 6: Final answer
    x = 17,748.96

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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.