Home / 48,347.15-72,521.10-18,353.31

Finding the Fourth Proportional to 48,347.15, 72,521.10 and 18,353.31

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Solution

The fourth proportional to 48,347.15, 72,521.10 and 18,353.31 is: 27,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.15 : 72,521.10 = 18,353.31 : x
  2. Step 2: Convert to fraction form
    48,347.15/72,521.10 = 18,353.31/x
  3. Step 3: Cross multiply
    48,347.15x = 72,521.10 × 18,353.31
  4. Step 4: Simplify right side
    48,347.15x = 1,331,002,110.23
  5. Step 5: Solve for x
    x = 1,331,002,110.23/48,347.15
  6. Step 6: Final answer
    x = 27,530.10

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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.