Home / 48,442.89-66,848.06-28,305.45

Finding the Fourth Proportional to 48,442.89, 66,848.06 and 28,305.45

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Solution

The fourth proportional to 48,442.89, 66,848.06 and 28,305.45 is: 39,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.89 : 66,848.06 = 28,305.45 : x
  2. Step 2: Convert to fraction form
    48,442.89/66,848.06 = 28,305.45/x
  3. Step 3: Cross multiply
    48,442.89x = 66,848.06 × 28,305.45
  4. Step 4: Simplify right side
    48,442.89x = 1,892,164,278.40
  5. Step 5: Solve for x
    x = 1,892,164,278.40/48,442.89
  6. Step 6: Final answer
    x = 39,059.69

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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.