Home / 30,266.56-45,358.23-15,444.32

Finding the Fourth Proportional to 30,266.56, 45,358.23 and 15,444.32

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Solution

The fourth proportional to 30,266.56, 45,358.23 and 15,444.32 is: 23,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.56 : 45,358.23 = 15,444.32 : x
  2. Step 2: Convert to fraction form
    30,266.56/45,358.23 = 15,444.32/x
  3. Step 3: Cross multiply
    30,266.56x = 45,358.23 × 15,444.32
  4. Step 4: Simplify right side
    30,266.56x = 700,527,018.14
  5. Step 5: Solve for x
    x = 700,527,018.14/30,266.56
  6. Step 6: Final answer
    x = 23,145.25

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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.