Home / 56,197.68-84,308.86-21,137.34

Finding the Fourth Proportional to 56,197.68, 84,308.86 and 21,137.34

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Solution

The fourth proportional to 56,197.68, 84,308.86 and 21,137.34 is: 31,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.68 : 84,308.86 = 21,137.34 : x
  2. Step 2: Convert to fraction form
    56,197.68/84,308.86 = 21,137.34/x
  3. Step 3: Cross multiply
    56,197.68x = 84,308.86 × 21,137.34
  4. Step 4: Simplify right side
    56,197.68x = 1,782,065,038.83
  5. Step 5: Solve for x
    x = 1,782,065,038.83/56,197.68
  6. Step 6: Final answer
    x = 31,710.65

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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.