Home / 30,582.24-42,146.34-23,857.20

Finding the Fourth Proportional to 30,582.24, 42,146.34 and 23,857.20

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Solution

The fourth proportional to 30,582.24, 42,146.34 and 23,857.20 is: 32,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.24 : 42,146.34 = 23,857.20 : x
  2. Step 2: Convert to fraction form
    30,582.24/42,146.34 = 23,857.20/x
  3. Step 3: Cross multiply
    30,582.24x = 42,146.34 × 23,857.20
  4. Step 4: Simplify right side
    30,582.24x = 1,005,493,662.65
  5. Step 5: Solve for x
    x = 1,005,493,662.65/30,582.24
  6. Step 6: Final answer
    x = 32,878.35

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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.