Home / 56,196.68-84,307.36-21,136.34

Finding the Fourth Proportional to 56,196.68, 84,307.36 and 21,136.34

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Solution

The fourth proportional to 56,196.68, 84,307.36 and 21,136.34 is: 31,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,196.68 : 84,307.36 = 21,136.34 : x
  2. Step 2: Convert to fraction form
    56,196.68/84,307.36 = 21,136.34/x
  3. Step 3: Cross multiply
    56,196.68x = 84,307.36 × 21,136.34
  4. Step 4: Simplify right side
    56,196.68x = 1,781,949,025.46
  5. Step 5: Solve for x
    x = 1,781,949,025.46/56,196.68
  6. Step 6: Final answer
    x = 31,709.15

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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.