Home / 48,492.30-72,711.00-18,876.06

Finding the Fourth Proportional to 48,492.30, 72,711.00 and 18,876.06

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Solution

The fourth proportional to 48,492.30, 72,711.00 and 18,876.06 is: 28,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.30 : 72,711.00 = 18,876.06 : x
  2. Step 2: Convert to fraction form
    48,492.30/72,711.00 = 18,876.06/x
  3. Step 3: Cross multiply
    48,492.30x = 72,711.00 × 18,876.06
  4. Step 4: Simplify right side
    48,492.30x = 1,372,497,482.79
  5. Step 5: Solve for x
    x = 1,372,497,482.79/48,492.30
  6. Step 6: Final answer
    x = 28,303.41

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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.