Home / 53,038.12-73,190.10-29,165.80

Finding the Fourth Proportional to 53,038.12, 73,190.10 and 29,165.80

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Solution

The fourth proportional to 53,038.12, 73,190.10 and 29,165.80 is: 40,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.12 : 73,190.10 = 29,165.80 : x
  2. Step 2: Convert to fraction form
    53,038.12/73,190.10 = 29,165.80/x
  3. Step 3: Cross multiply
    53,038.12x = 73,190.10 × 29,165.80
  4. Step 4: Simplify right side
    53,038.12x = 2,134,647,818.58
  5. Step 5: Solve for x
    x = 2,134,647,818.58/53,038.12
  6. Step 6: Final answer
    x = 40,247.43

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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.