Home / 20,288.48-30,259.19-19,583.06

Finding the Fourth Proportional to 20,288.48, 30,259.19 and 19,583.06

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Solution

The fourth proportional to 20,288.48, 30,259.19 and 19,583.06 is: 29,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.48 : 30,259.19 = 19,583.06 : x
  2. Step 2: Convert to fraction form
    20,288.48/30,259.19 = 19,583.06/x
  3. Step 3: Cross multiply
    20,288.48x = 30,259.19 × 19,583.06
  4. Step 4: Simplify right side
    20,288.48x = 592,567,533.32
  5. Step 5: Solve for x
    x = 592,567,533.32/20,288.48
  6. Step 6: Final answer
    x = 29,207.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.