Home / 56,919.32-85,389.10-19,483.56

Finding the Fourth Proportional to 56,919.32, 85,389.10 and 19,483.56

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Solution

The fourth proportional to 56,919.32, 85,389.10 and 19,483.56 is: 29,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.32 : 85,389.10 = 19,483.56 : x
  2. Step 2: Convert to fraction form
    56,919.32/85,389.10 = 19,483.56/x
  3. Step 3: Cross multiply
    56,919.32x = 85,389.10 × 19,483.56
  4. Step 4: Simplify right side
    56,919.32x = 1,663,683,653.20
  5. Step 5: Solve for x
    x = 1,663,683,653.20/56,919.32
  6. Step 6: Final answer
    x = 29,228.80

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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.