Home / 29,582.71-40,824.24-18,972.40

Finding the Fourth Proportional to 29,582.71, 40,824.24 and 18,972.40

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Solution

The fourth proportional to 29,582.71, 40,824.24 and 18,972.40 is: 26,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,582.71 : 40,824.24 = 18,972.40 : x
  2. Step 2: Convert to fraction form
    29,582.71/40,824.24 = 18,972.40/x
  3. Step 3: Cross multiply
    29,582.71x = 40,824.24 × 18,972.40
  4. Step 4: Simplify right side
    29,582.71x = 774,533,810.98
  5. Step 5: Solve for x
    x = 774,533,810.98/29,582.71
  6. Step 6: Final answer
    x = 26,181.98

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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.