Home / 49,869.48-74,804.01-20,287.07

Finding the Fourth Proportional to 49,869.48, 74,804.01 and 20,287.07

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Solution

The fourth proportional to 49,869.48, 74,804.01 and 20,287.07 is: 30,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.48 : 74,804.01 = 20,287.07 : x
  2. Step 2: Convert to fraction form
    49,869.48/74,804.01 = 20,287.07/x
  3. Step 3: Cross multiply
    49,869.48x = 74,804.01 × 20,287.07
  4. Step 4: Simplify right side
    49,869.48x = 1,517,554,187.15
  5. Step 5: Solve for x
    x = 1,517,554,187.15/49,869.48
  6. Step 6: Final answer
    x = 30,430.52

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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.