Home / 48,563.04-72,814.41-20,468.64

Finding the Fourth Proportional to 48,563.04, 72,814.41 and 20,468.64

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Solution

The fourth proportional to 48,563.04, 72,814.41 and 20,468.64 is: 30,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563.04 : 72,814.41 = 20,468.64 : x
  2. Step 2: Convert to fraction form
    48,563.04/72,814.41 = 20,468.64/x
  3. Step 3: Cross multiply
    48,563.04x = 72,814.41 × 20,468.64
  4. Step 4: Simplify right side
    48,563.04x = 1,490,411,945.10
  5. Step 5: Solve for x
    x = 1,490,411,945.10/48,563.04
  6. Step 6: Final answer
    x = 30,690.25

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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.