Home / 53,220.72-73,442.91-29,348.40

Finding the Fourth Proportional to 53,220.72, 73,442.91 and 29,348.40

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Solution

The fourth proportional to 53,220.72, 73,442.91 and 29,348.40 is: 40,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.72 : 73,442.91 = 29,348.40 : x
  2. Step 2: Convert to fraction form
    53,220.72/73,442.91 = 29,348.40/x
  3. Step 3: Cross multiply
    53,220.72x = 73,442.91 × 29,348.40
  4. Step 4: Simplify right side
    53,220.72x = 2,155,431,899.84
  5. Step 5: Solve for x
    x = 2,155,431,899.84/53,220.72
  6. Step 6: Final answer
    x = 40,499.86

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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.