Home / 57,111.48-85,670.04-14,991.68

Finding the Fourth Proportional to 57,111.48, 85,670.04 and 14,991.68

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Solution

The fourth proportional to 57,111.48, 85,670.04 and 14,991.68 is: 22,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.48 : 85,670.04 = 14,991.68 : x
  2. Step 2: Convert to fraction form
    57,111.48/85,670.04 = 14,991.68/x
  3. Step 3: Cross multiply
    57,111.48x = 85,670.04 × 14,991.68
  4. Step 4: Simplify right side
    57,111.48x = 1,284,337,825.27
  5. Step 5: Solve for x
    x = 1,284,337,825.27/57,111.48
  6. Step 6: Final answer
    x = 22,488.26

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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.