Home / 56,430.90-84,647.07-38,896.02

Finding the Fourth Proportional to 56,430.90, 84,647.07 and 38,896.02

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Solution

The fourth proportional to 56,430.90, 84,647.07 and 38,896.02 is: 58,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.90 : 84,647.07 = 38,896.02 : x
  2. Step 2: Convert to fraction form
    56,430.90/84,647.07 = 38,896.02/x
  3. Step 3: Cross multiply
    56,430.90x = 84,647.07 × 38,896.02
  4. Step 4: Simplify right side
    56,430.90x = 3,292,434,127.66
  5. Step 5: Solve for x
    x = 3,292,434,127.66/56,430.90
  6. Step 6: Final answer
    x = 58,344.53

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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.