Home / 48,328.23-72,468.63-19,860.03

Finding the Fourth Proportional to 48,328.23, 72,468.63 and 19,860.03

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Solution

The fourth proportional to 48,328.23, 72,468.63 and 19,860.03 is: 29,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,328.23 : 72,468.63 = 19,860.03 : x
  2. Step 2: Convert to fraction form
    48,328.23/72,468.63 = 19,860.03/x
  3. Step 3: Cross multiply
    48,328.23x = 72,468.63 × 19,860.03
  4. Step 4: Simplify right side
    48,328.23x = 1,439,229,165.86
  5. Step 5: Solve for x
    x = 1,439,229,165.86/48,328.23
  6. Step 6: Final answer
    x = 29,780.30

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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.