Home / 48,426.64-72,640.32-13,365.52

Finding the Fourth Proportional to 48,426.64, 72,640.32 and 13,365.52

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Solution

The fourth proportional to 48,426.64, 72,640.32 and 13,365.52 is: 20,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.64 : 72,640.32 = 13,365.52 : x
  2. Step 2: Convert to fraction form
    48,426.64/72,640.32 = 13,365.52/x
  3. Step 3: Cross multiply
    48,426.64x = 72,640.32 × 13,365.52
  4. Step 4: Simplify right side
    48,426.64x = 970,875,649.77
  5. Step 5: Solve for x
    x = 970,875,649.77/48,426.64
  6. Step 6: Final answer
    x = 20,048.38

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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.