Home / 53,430.52-73,728.48-29,553.40

Finding the Fourth Proportional to 53,430.52, 73,728.48 and 29,553.40

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Solution

The fourth proportional to 53,430.52, 73,728.48 and 29,553.40 is: 40,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.52 : 73,728.48 = 29,553.40 : x
  2. Step 2: Convert to fraction form
    53,430.52/73,728.48 = 29,553.40/x
  3. Step 3: Cross multiply
    53,430.52x = 73,728.48 × 29,553.40
  4. Step 4: Simplify right side
    53,430.52x = 2,178,927,260.83
  5. Step 5: Solve for x
    x = 2,178,927,260.83/53,430.52
  6. Step 6: Final answer
    x = 40,780.57

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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.