Home / 48,848.85-67,412.18-28,708.40

Finding the Fourth Proportional to 48,848.85, 67,412.18 and 28,708.40

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Solution

The fourth proportional to 48,848.85, 67,412.18 and 28,708.40 is: 39,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.85 : 67,412.18 = 28,708.40 : x
  2. Step 2: Convert to fraction form
    48,848.85/67,412.18 = 28,708.40/x
  3. Step 3: Cross multiply
    48,848.85x = 67,412.18 × 28,708.40
  4. Step 4: Simplify right side
    48,848.85x = 1,935,295,828.31
  5. Step 5: Solve for x
    x = 1,935,295,828.31/48,848.85
  6. Step 6: Final answer
    x = 39,618.04

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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.