Home / 48,434.48-72,646.24-13,379.12

Finding the Fourth Proportional to 48,434.48, 72,646.24 and 13,379.12

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Solution

The fourth proportional to 48,434.48, 72,646.24 and 13,379.12 is: 20,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.48 : 72,646.24 = 13,379.12 : x
  2. Step 2: Convert to fraction form
    48,434.48/72,646.24 = 13,379.12/x
  3. Step 3: Cross multiply
    48,434.48x = 72,646.24 × 13,379.12
  4. Step 4: Simplify right side
    48,434.48x = 971,942,762.51
  5. Step 5: Solve for x
    x = 971,942,762.51/48,434.48
  6. Step 6: Final answer
    x = 20,067.17

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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.