Home / 48,496.19-72,762.05-20,423.31

Finding the Fourth Proportional to 48,496.19, 72,762.05 and 20,423.31

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Solution

The fourth proportional to 48,496.19, 72,762.05 and 20,423.31 is: 30,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.19 : 72,762.05 = 20,423.31 : x
  2. Step 2: Convert to fraction form
    48,496.19/72,762.05 = 20,423.31/x
  3. Step 3: Cross multiply
    48,496.19x = 72,762.05 × 20,423.31
  4. Step 4: Simplify right side
    48,496.19x = 1,486,041,954.44
  5. Step 5: Solve for x
    x = 1,486,041,954.44/48,496.19
  6. Step 6: Final answer
    x = 30,642.45

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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.