Home / 29,613.12-40,868.53-16,870.29

Finding the Fourth Proportional to 29,613.12, 40,868.53 and 16,870.29

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Solution

The fourth proportional to 29,613.12, 40,868.53 and 16,870.29 is: 23,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.12 : 40,868.53 = 16,870.29 : x
  2. Step 2: Convert to fraction form
    29,613.12/40,868.53 = 16,870.29/x
  3. Step 3: Cross multiply
    29,613.12x = 40,868.53 × 16,870.29
  4. Step 4: Simplify right side
    29,613.12x = 689,464,082.32
  5. Step 5: Solve for x
    x = 689,464,082.32/29,613.12
  6. Step 6: Final answer
    x = 23,282.39

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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.