Home / 29,700.12-40,986.05-16,271.36

Finding the Fourth Proportional to 29,700.12, 40,986.05 and 16,271.36

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Solution

The fourth proportional to 29,700.12, 40,986.05 and 16,271.36 is: 22,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.12 : 40,986.05 = 16,271.36 : x
  2. Step 2: Convert to fraction form
    29,700.12/40,986.05 = 16,271.36/x
  3. Step 3: Cross multiply
    29,700.12x = 40,986.05 × 16,271.36
  4. Step 4: Simplify right side
    29,700.12x = 666,898,488.24
  5. Step 5: Solve for x
    x = 666,898,488.24/29,700.12
  6. Step 6: Final answer
    x = 22,454.40

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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.