Home / 30,345.38-45,538.56-10,624.10

Finding the Fourth Proportional to 30,345.38, 45,538.56 and 10,624.10

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Solution

The fourth proportional to 30,345.38, 45,538.56 and 10,624.10 is: 15,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.38 : 45,538.56 = 10,624.10 : x
  2. Step 2: Convert to fraction form
    30,345.38/45,538.56 = 10,624.10/x
  3. Step 3: Cross multiply
    30,345.38x = 45,538.56 × 10,624.10
  4. Step 4: Simplify right side
    30,345.38x = 483,806,215.30
  5. Step 5: Solve for x
    x = 483,806,215.30/30,345.38
  6. Step 6: Final answer
    x = 15,943.32

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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.