Home / 48,298.88-72,468.27-21,267.35

Finding the Fourth Proportional to 48,298.88, 72,468.27 and 21,267.35

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Solution

The fourth proportional to 48,298.88, 72,468.27 and 21,267.35 is: 31,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.88 : 72,468.27 = 21,267.35 : x
  2. Step 2: Convert to fraction form
    48,298.88/72,468.27 = 21,267.35/x
  3. Step 3: Cross multiply
    48,298.88x = 72,468.27 × 21,267.35
  4. Step 4: Simplify right side
    48,298.88x = 1,541,208,061.98
  5. Step 5: Solve for x
    x = 1,541,208,061.98/48,298.88
  6. Step 6: Final answer
    x = 31,909.81

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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.