Home / 31,448.96-47,156.36-15,619.26

Finding the Fourth Proportional to 31,448.96, 47,156.36 and 15,619.26

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Solution

The fourth proportional to 31,448.96, 47,156.36 and 15,619.26 is: 23,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.96 : 47,156.36 = 15,619.26 : x
  2. Step 2: Convert to fraction form
    31,448.96/47,156.36 = 15,619.26/x
  3. Step 3: Cross multiply
    31,448.96x = 47,156.36 × 15,619.26
  4. Step 4: Simplify right side
    31,448.96x = 736,547,447.49
  5. Step 5: Solve for x
    x = 736,547,447.49/31,448.96
  6. Step 6: Final answer
    x = 23,420.41

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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.