Home / 48,937.40-73,406.10-45,438.20

Finding the Fourth Proportional to 48,937.40, 73,406.10 and 45,438.20

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Solution

The fourth proportional to 48,937.40, 73,406.10 and 45,438.20 is: 68,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.40 : 73,406.10 = 45,438.20 : x
  2. Step 2: Convert to fraction form
    48,937.40/73,406.10 = 45,438.20/x
  3. Step 3: Cross multiply
    48,937.40x = 73,406.10 × 45,438.20
  4. Step 4: Simplify right side
    48,937.40x = 3,335,441,053.02
  5. Step 5: Solve for x
    x = 3,335,441,053.02/48,937.40
  6. Step 6: Final answer
    x = 68,157.30

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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.