Home / 30,300.14-45,453.31-11,595.90

Finding the Fourth Proportional to 30,300.14, 45,453.31 and 11,595.90

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Solution

The fourth proportional to 30,300.14, 45,453.31 and 11,595.90 is: 17,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.14 : 45,453.31 = 11,595.90 : x
  2. Step 2: Convert to fraction form
    30,300.14/45,453.31 = 11,595.90/x
  3. Step 3: Cross multiply
    30,300.14x = 45,453.31 × 11,595.90
  4. Step 4: Simplify right side
    30,300.14x = 527,071,979.45
  5. Step 5: Solve for x
    x = 527,071,979.45/30,300.14
  6. Step 6: Final answer
    x = 17,395.04

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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.