Home / 70,944.96-106,434.15-21,025.47

Finding the Fourth Proportional to 70,944.96, 106,434.15 and 21,025.47

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Solution

The fourth proportional to 70,944.96, 106,434.15 and 21,025.47 is: 31,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.96 : 106,434.15 = 21,025.47 : x
  2. Step 2: Convert to fraction form
    70,944.96/106,434.15 = 21,025.47/x
  3. Step 3: Cross multiply
    70,944.96x = 106,434.15 × 21,025.47
  4. Step 4: Simplify right side
    70,944.96x = 2,237,827,922.67
  5. Step 5: Solve for x
    x = 2,237,827,922.67/70,944.96
  6. Step 6: Final answer
    x = 31,543.16

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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.