Home / 34,755.48-47,963.34-20,603.16

Finding the Fourth Proportional to 34,755.48, 47,963.34 and 20,603.16

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Solution

The fourth proportional to 34,755.48, 47,963.34 and 20,603.16 is: 28,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.48 : 47,963.34 = 20,603.16 : x
  2. Step 2: Convert to fraction form
    34,755.48/47,963.34 = 20,603.16/x
  3. Step 3: Cross multiply
    34,755.48x = 47,963.34 × 20,603.16
  4. Step 4: Simplify right side
    34,755.48x = 988,196,368.15
  5. Step 5: Solve for x
    x = 988,196,368.15/34,755.48
  6. Step 6: Final answer
    x = 28,432.82

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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.