Home / 35,005.74-48,303.62-21,400.62

Finding the Fourth Proportional to 35,005.74, 48,303.62 and 21,400.62

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Solution

The fourth proportional to 35,005.74, 48,303.62 and 21,400.62 is: 29,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,005.74 : 48,303.62 = 21,400.62 : x
  2. Step 2: Convert to fraction form
    35,005.74/48,303.62 = 21,400.62/x
  3. Step 3: Cross multiply
    35,005.74x = 48,303.62 × 21,400.62
  4. Step 4: Simplify right side
    35,005.74x = 1,033,727,309.24
  5. Step 5: Solve for x
    x = 1,033,727,309.24/35,005.74
  6. Step 6: Final answer
    x = 29,530.22

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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.