Home / 57,090.40-85,626.48-14,971.36

Finding the Fourth Proportional to 57,090.40, 85,626.48 and 14,971.36

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Solution

The fourth proportional to 57,090.40, 85,626.48 and 14,971.36 is: 22,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.40 : 85,626.48 = 14,971.36 : x
  2. Step 2: Convert to fraction form
    57,090.40/85,626.48 = 14,971.36/x
  3. Step 3: Cross multiply
    57,090.40x = 85,626.48 × 14,971.36
  4. Step 4: Simplify right side
    57,090.40x = 1,281,944,857.61
  5. Step 5: Solve for x
    x = 1,281,944,857.61/57,090.40
  6. Step 6: Final answer
    x = 22,454.65

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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.