Home / 48,211.80-66,530.34-28,069.26

Finding the Fourth Proportional to 48,211.80, 66,530.34 and 28,069.26

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Solution

The fourth proportional to 48,211.80, 66,530.34 and 28,069.26 is: 38,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.80 : 66,530.34 = 28,069.26 : x
  2. Step 2: Convert to fraction form
    48,211.80/66,530.34 = 28,069.26/x
  3. Step 3: Cross multiply
    48,211.80x = 66,530.34 × 28,069.26
  4. Step 4: Simplify right side
    48,211.80x = 1,867,457,411.35
  5. Step 5: Solve for x
    x = 1,867,457,411.35/48,211.80
  6. Step 6: Final answer
    x = 38,734.45

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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.