Home / 49,848.63-74,731.02-20,287.68

Finding the Fourth Proportional to 49,848.63, 74,731.02 and 20,287.68

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Solution

The fourth proportional to 49,848.63, 74,731.02 and 20,287.68 is: 30,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,848.63 : 74,731.02 = 20,287.68 : x
  2. Step 2: Convert to fraction form
    49,848.63/74,731.02 = 20,287.68/x
  3. Step 3: Cross multiply
    49,848.63x = 74,731.02 × 20,287.68
  4. Step 4: Simplify right side
    49,848.63x = 1,516,119,019.83
  5. Step 5: Solve for x
    x = 1,516,119,019.83/49,848.63
  6. Step 6: Final answer
    x = 30,414.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.