Home / 48,803.40-67,349.34-28,675.44

Finding the Fourth Proportional to 48,803.40, 67,349.34 and 28,675.44

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Solution

The fourth proportional to 48,803.40, 67,349.34 and 28,675.44 is: 39,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,803.40 : 67,349.34 = 28,675.44 : x
  2. Step 2: Convert to fraction form
    48,803.40/67,349.34 = 28,675.44/x
  3. Step 3: Cross multiply
    48,803.40x = 67,349.34 × 28,675.44
  4. Step 4: Simplify right side
    48,803.40x = 1,931,271,958.21
  5. Step 5: Solve for x
    x = 1,931,271,958.21/48,803.40
  6. Step 6: Final answer
    x = 39,572.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.