Home / 62,740.08-94,124.16-21,186

Finding the Fourth Proportional to 62,740.08, 94,124.16 and 21,186

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Solution

The fourth proportional to 62,740.08, 94,124.16 and 21,186 is: 31,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740.08 : 94,124.16 = 21,186 : x
  2. Step 2: Convert to fraction form
    62,740.08/94,124.16 = 21,186/x
  3. Step 3: Cross multiply
    62,740.08x = 94,124.16 × 21,186
  4. Step 4: Simplify right side
    62,740.08x = 1,994,114,453.76
  5. Step 5: Solve for x
    x = 1,994,114,453.76/62,740.08
  6. Step 6: Final answer
    x = 31,783.74

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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.