Home / 48,493.40-72,740.10-30,738.20

Finding the Fourth Proportional to 48,493.40, 72,740.10 and 30,738.20

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Solution

The fourth proportional to 48,493.40, 72,740.10 and 30,738.20 is: 46,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.40 : 72,740.10 = 30,738.20 : x
  2. Step 2: Convert to fraction form
    48,493.40/72,740.10 = 30,738.20/x
  3. Step 3: Cross multiply
    48,493.40x = 72,740.10 × 30,738.20
  4. Step 4: Simplify right side
    48,493.40x = 2,235,899,741.82
  5. Step 5: Solve for x
    x = 2,235,899,741.82/48,493.40
  6. Step 6: Final answer
    x = 46,107.30

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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.