Home / 53,049.80-79,572.81-13,607.30

Finding the Fourth Proportional to 53,049.80, 79,572.81 and 13,607.30

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Solution

The fourth proportional to 53,049.80, 79,572.81 and 13,607.30 is: 20,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,049.80 : 79,572.81 = 13,607.30 : x
  2. Step 2: Convert to fraction form
    53,049.80/79,572.81 = 13,607.30/x
  3. Step 3: Cross multiply
    53,049.80x = 79,572.81 × 13,607.30
  4. Step 4: Simplify right side
    53,049.80x = 1,082,771,347.47
  5. Step 5: Solve for x
    x = 1,082,771,347.47/53,049.80
  6. Step 6: Final answer
    x = 20,410.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.