Home / 56,087.48-84,146.34-18,653.60

Finding the Fourth Proportional to 56,087.48, 84,146.34 and 18,653.60

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Solution

The fourth proportional to 56,087.48, 84,146.34 and 18,653.60 is: 27,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.48 : 84,146.34 = 18,653.60 : x
  2. Step 2: Convert to fraction form
    56,087.48/84,146.34 = 18,653.60/x
  3. Step 3: Cross multiply
    56,087.48x = 84,146.34 × 18,653.60
  4. Step 4: Simplify right side
    56,087.48x = 1,569,632,167.82
  5. Step 5: Solve for x
    x = 1,569,632,167.82/56,087.48
  6. Step 6: Final answer
    x = 27,985.43

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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.