Home / 56,971.40-85,465.20-17,531.72

Finding the Fourth Proportional to 56,971.40, 85,465.20 and 17,531.72

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Solution

The fourth proportional to 56,971.40, 85,465.20 and 17,531.72 is: 26,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.40 : 85,465.20 = 17,531.72 : x
  2. Step 2: Convert to fraction form
    56,971.40/85,465.20 = 17,531.72/x
  3. Step 3: Cross multiply
    56,971.40x = 85,465.20 × 17,531.72
  4. Step 4: Simplify right side
    56,971.40x = 1,498,351,956.14
  5. Step 5: Solve for x
    x = 1,498,351,956.14/56,971.40
  6. Step 6: Final answer
    x = 26,300.07

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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.