Home / 60,270.30-90,342.70-20,259.54

Finding the Fourth Proportional to 60,270.30, 90,342.70 and 20,259.54

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Solution

The fourth proportional to 60,270.30, 90,342.70 and 20,259.54 is: 30,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,270.30 : 90,342.70 = 20,259.54 : x
  2. Step 2: Convert to fraction form
    60,270.30/90,342.70 = 20,259.54/x
  3. Step 3: Cross multiply
    60,270.30x = 90,342.70 × 20,259.54
  4. Step 4: Simplify right side
    60,270.30x = 1,830,301,544.36
  5. Step 5: Solve for x
    x = 1,830,301,544.36/60,270.30
  6. Step 6: Final answer
    x = 30,368.22

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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.