Home / 31,328.70-46,990.56-12,595.53

Finding the Fourth Proportional to 31,328.70, 46,990.56 and 12,595.53

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Solution

The fourth proportional to 31,328.70, 46,990.56 and 12,595.53 is: 18,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.70 : 46,990.56 = 12,595.53 : x
  2. Step 2: Convert to fraction form
    31,328.70/46,990.56 = 12,595.53/x
  3. Step 3: Cross multiply
    31,328.70x = 46,990.56 × 12,595.53
  4. Step 4: Simplify right side
    31,328.70x = 591,871,008.20
  5. Step 5: Solve for x
    x = 591,871,008.20/31,328.70
  6. Step 6: Final answer
    x = 18,892.29

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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.