Home / 53,017.04-73,165.20-29,144.72

Finding the Fourth Proportional to 53,017.04, 73,165.20 and 29,144.72

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Solution

The fourth proportional to 53,017.04, 73,165.20 and 29,144.72 is: 40,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.04 : 73,165.20 = 29,144.72 : x
  2. Step 2: Convert to fraction form
    53,017.04/73,165.20 = 29,144.72/x
  3. Step 3: Cross multiply
    53,017.04x = 73,165.20 × 29,144.72
  4. Step 4: Simplify right side
    53,017.04x = 2,132,379,267.74
  5. Step 5: Solve for x
    x = 2,132,379,267.74/53,017.04
  6. Step 6: Final answer
    x = 40,220.64

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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.