Home / 56,032.03-77,323.72-30,538.40

Finding the Fourth Proportional to 56,032.03, 77,323.72 and 30,538.40

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Solution

The fourth proportional to 56,032.03, 77,323.72 and 30,538.40 is: 42,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,032.03 : 77,323.72 = 30,538.40 : x
  2. Step 2: Convert to fraction form
    56,032.03/77,323.72 = 30,538.40/x
  3. Step 3: Cross multiply
    56,032.03x = 77,323.72 × 30,538.40
  4. Step 4: Simplify right side
    56,032.03x = 2,361,342,151.54
  5. Step 5: Solve for x
    x = 2,361,342,151.54/56,032.03
  6. Step 6: Final answer
    x = 42,142.72

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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.