Home / 48,720.56-67,244.76-30,804.08

Finding the Fourth Proportional to 48,720.56, 67,244.76 and 30,804.08

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Solution

The fourth proportional to 48,720.56, 67,244.76 and 30,804.08 is: 42,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,720.56 : 67,244.76 = 30,804.08 : x
  2. Step 2: Convert to fraction form
    48,720.56/67,244.76 = 30,804.08/x
  3. Step 3: Cross multiply
    48,720.56x = 67,244.76 × 30,804.08
  4. Step 4: Simplify right side
    48,720.56x = 2,071,412,966.62
  5. Step 5: Solve for x
    x = 2,071,412,966.62/48,720.56
  6. Step 6: Final answer
    x = 42,516.20

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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.