Home / 29,285.24-40,402.85-19,219.28

Finding the Fourth Proportional to 29,285.24, 40,402.85 and 19,219.28

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Solution

The fourth proportional to 29,285.24, 40,402.85 and 19,219.28 is: 26,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.24 : 40,402.85 = 19,219.28 : x
  2. Step 2: Convert to fraction form
    29,285.24/40,402.85 = 19,219.28/x
  3. Step 3: Cross multiply
    29,285.24x = 40,402.85 × 19,219.28
  4. Step 4: Simplify right side
    29,285.24x = 776,513,388.84
  5. Step 5: Solve for x
    x = 776,513,388.84/29,285.24
  6. Step 6: Final answer
    x = 26,515.53

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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.