Home / 48,420.54-72,622.08-13,351.50

Finding the Fourth Proportional to 48,420.54, 72,622.08 and 13,351.50

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Solution

The fourth proportional to 48,420.54, 72,622.08 and 13,351.50 is: 20,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.54 : 72,622.08 = 13,351.50 : x
  2. Step 2: Convert to fraction form
    48,420.54/72,622.08 = 13,351.50/x
  3. Step 3: Cross multiply
    48,420.54x = 72,622.08 × 13,351.50
  4. Step 4: Simplify right side
    48,420.54x = 969,613,701.12
  5. Step 5: Solve for x
    x = 969,613,701.12/48,420.54
  6. Step 6: Final answer
    x = 20,024.84

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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.