Home / 42,795.05-64,220.11-23,087.21

Finding the Fourth Proportional to 42,795.05, 64,220.11 and 23,087.21

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Solution

The fourth proportional to 42,795.05, 64,220.11 and 23,087.21 is: 34,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.05 : 64,220.11 = 23,087.21 : x
  2. Step 2: Convert to fraction form
    42,795.05/64,220.11 = 23,087.21/x
  3. Step 3: Cross multiply
    42,795.05x = 64,220.11 × 23,087.21
  4. Step 4: Simplify right side
    42,795.05x = 1,482,662,786.97
  5. Step 5: Solve for x
    x = 1,482,662,786.97/42,795.05
  6. Step 6: Final answer
    x = 34,645.66

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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.