Home / 56,032.13-77,325.45-30,538.39

Finding the Fourth Proportional to 56,032.13, 77,325.45 and 30,538.39

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Solution

The fourth proportional to 56,032.13, 77,325.45 and 30,538.39 is: 42,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,032.13 : 77,325.45 = 30,538.39 : x
  2. Step 2: Convert to fraction form
    56,032.13/77,325.45 = 30,538.39/x
  3. Step 3: Cross multiply
    56,032.13x = 77,325.45 × 30,538.39
  4. Step 4: Simplify right side
    56,032.13x = 2,361,394,441.19
  5. Step 5: Solve for x
    x = 2,361,394,441.19/56,032.13
  6. Step 6: Final answer
    x = 42,143.58

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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.