Home / 48,740.55-67,293.23-39,809.49

Finding the Fourth Proportional to 48,740.55, 67,293.23 and 39,809.49

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Solution

The fourth proportional to 48,740.55, 67,293.23 and 39,809.49 is: 54,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.55 : 67,293.23 = 39,809.49 : x
  2. Step 2: Convert to fraction form
    48,740.55/67,293.23 = 39,809.49/x
  3. Step 3: Cross multiply
    48,740.55x = 67,293.23 × 39,809.49
  4. Step 4: Simplify right side
    48,740.55x = 2,678,908,967.71
  5. Step 5: Solve for x
    x = 2,678,908,967.71/48,740.55
  6. Step 6: Final answer
    x = 54,962.63

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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.