Home / 56,915.22-85,386.24-19,475.70

Finding the Fourth Proportional to 56,915.22, 85,386.24 and 19,475.70

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Solution

The fourth proportional to 56,915.22, 85,386.24 and 19,475.70 is: 29,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.22 : 85,386.24 = 19,475.70 : x
  2. Step 2: Convert to fraction form
    56,915.22/85,386.24 = 19,475.70/x
  3. Step 3: Cross multiply
    56,915.22x = 85,386.24 × 19,475.70
  4. Step 4: Simplify right side
    56,915.22x = 1,662,956,794.37
  5. Step 5: Solve for x
    x = 1,662,956,794.37/56,915.22
  6. Step 6: Final answer
    x = 29,218.14

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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.