Home / 42,609.93-58,907.99-31,981.11

Finding the Fourth Proportional to 42,609.93, 58,907.99 and 31,981.11

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Solution

The fourth proportional to 42,609.93, 58,907.99 and 31,981.11 is: 44,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.93 : 58,907.99 = 31,981.11 : x
  2. Step 2: Convert to fraction form
    42,609.93/58,907.99 = 31,981.11/x
  3. Step 3: Cross multiply
    42,609.93x = 58,907.99 × 31,981.11
  4. Step 4: Simplify right side
    42,609.93x = 1,883,942,748.16
  5. Step 5: Solve for x
    x = 1,883,942,748.16/42,609.93
  6. Step 6: Final answer
    x = 44,213.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.