Home / 29,147.40-40,216.50-16,579.08

Finding the Fourth Proportional to 29,147.40, 40,216.50 and 16,579.08

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Solution

The fourth proportional to 29,147.40, 40,216.50 and 16,579.08 is: 22,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.40 : 40,216.50 = 16,579.08 : x
  2. Step 2: Convert to fraction form
    29,147.40/40,216.50 = 16,579.08/x
  3. Step 3: Cross multiply
    29,147.40x = 40,216.50 × 16,579.08
  4. Step 4: Simplify right side
    29,147.40x = 666,752,570.82
  5. Step 5: Solve for x
    x = 666,752,570.82/29,147.40
  6. Step 6: Final answer
    x = 22,875.20

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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.