Home / 30,231.36-45,347.45-10,510.29

Finding the Fourth Proportional to 30,231.36, 45,347.45 and 10,510.29

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Solution

The fourth proportional to 30,231.36, 45,347.45 and 10,510.29 is: 15,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.36 : 45,347.45 = 10,510.29 : x
  2. Step 2: Convert to fraction form
    30,231.36/45,347.45 = 10,510.29/x
  3. Step 3: Cross multiply
    30,231.36x = 45,347.45 × 10,510.29
  4. Step 4: Simplify right side
    30,231.36x = 476,614,797.71
  5. Step 5: Solve for x
    x = 476,614,797.71/30,231.36
  6. Step 6: Final answer
    x = 15,765.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.