Home / 53,485.38-73,809.83-29,287.87

Finding the Fourth Proportional to 53,485.38, 73,809.83 and 29,287.87

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Solution

The fourth proportional to 53,485.38, 73,809.83 and 29,287.87 is: 40,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,485.38 : 73,809.83 = 29,287.87 : x
  2. Step 2: Convert to fraction form
    53,485.38/73,809.83 = 29,287.87/x
  3. Step 3: Cross multiply
    53,485.38x = 73,809.83 × 29,287.87
  4. Step 4: Simplify right side
    53,485.38x = 2,161,732,719.68
  5. Step 5: Solve for x
    x = 2,161,732,719.68/53,485.38
  6. Step 6: Final answer
    x = 40,417.26

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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.