Home / 48,845.20-73,267.80-13,780.30

Finding the Fourth Proportional to 48,845.20, 73,267.80 and 13,780.30

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Solution

The fourth proportional to 48,845.20, 73,267.80 and 13,780.30 is: 20,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.20 : 73,267.80 = 13,780.30 : x
  2. Step 2: Convert to fraction form
    48,845.20/73,267.80 = 13,780.30/x
  3. Step 3: Cross multiply
    48,845.20x = 73,267.80 × 13,780.30
  4. Step 4: Simplify right side
    48,845.20x = 1,009,652,264.34
  5. Step 5: Solve for x
    x = 1,009,652,264.34/48,845.20
  6. Step 6: Final answer
    x = 20,670.45

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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.