Home / 53,130.86-73,321.07-29,257.63

Finding the Fourth Proportional to 53,130.86, 73,321.07 and 29,257.63

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Solution

The fourth proportional to 53,130.86, 73,321.07 and 29,257.63 is: 40,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.86 : 73,321.07 = 29,257.63 : x
  2. Step 2: Convert to fraction form
    53,130.86/73,321.07 = 29,257.63/x
  3. Step 3: Cross multiply
    53,130.86x = 73,321.07 × 29,257.63
  4. Step 4: Simplify right side
    53,130.86x = 2,145,200,737.26
  5. Step 5: Solve for x
    x = 2,145,200,737.26/53,130.86
  6. Step 6: Final answer
    x = 40,375.80

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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.