Home / 29,429.16-40,612.58-16,000.12

Finding the Fourth Proportional to 29,429.16, 40,612.58 and 16,000.12

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Solution

The fourth proportional to 29,429.16, 40,612.58 and 16,000.12 is: 22,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.16 : 40,612.58 = 16,000.12 : x
  2. Step 2: Convert to fraction form
    29,429.16/40,612.58 = 16,000.12/x
  3. Step 3: Cross multiply
    29,429.16x = 40,612.58 × 16,000.12
  4. Step 4: Simplify right side
    29,429.16x = 649,806,153.51
  5. Step 5: Solve for x
    x = 649,806,153.51/29,429.16
  6. Step 6: Final answer
    x = 22,080.35

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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.