Home / 29,547.98-40,776.20-16,119.21

Finding the Fourth Proportional to 29,547.98, 40,776.20 and 16,119.21

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Solution

The fourth proportional to 29,547.98, 40,776.20 and 16,119.21 is: 22,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.98 : 40,776.20 = 16,119.21 : x
  2. Step 2: Convert to fraction form
    29,547.98/40,776.20 = 16,119.21/x
  3. Step 3: Cross multiply
    29,547.98x = 40,776.20 × 16,119.21
  4. Step 4: Simplify right side
    29,547.98x = 657,279,846.32
  5. Step 5: Solve for x
    x = 657,279,846.32/29,547.98
  6. Step 6: Final answer
    x = 22,244.49

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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.