Home / 48,394.48-66,772.70-28,239.86

Finding the Fourth Proportional to 48,394.48, 66,772.70 and 28,239.86

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Solution

The fourth proportional to 48,394.48, 66,772.70 and 28,239.86 is: 38,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,394.48 : 66,772.70 = 28,239.86 : x
  2. Step 2: Convert to fraction form
    48,394.48/66,772.70 = 28,239.86/x
  3. Step 3: Cross multiply
    48,394.48x = 66,772.70 × 28,239.86
  4. Step 4: Simplify right side
    48,394.48x = 1,885,651,224.76
  5. Step 5: Solve for x
    x = 1,885,651,224.76/48,394.48
  6. Step 6: Final answer
    x = 38,964.18

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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.