Home / 30,155.08-45,260.64-15,375.10

Finding the Fourth Proportional to 30,155.08, 45,260.64 and 15,375.10

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Solution

The fourth proportional to 30,155.08, 45,260.64 and 15,375.10 is: 23,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.08 : 45,260.64 = 15,375.10 : x
  2. Step 2: Convert to fraction form
    30,155.08/45,260.64 = 15,375.10/x
  3. Step 3: Cross multiply
    30,155.08x = 45,260.64 × 15,375.10
  4. Step 4: Simplify right side
    30,155.08x = 695,886,866.06
  5. Step 5: Solve for x
    x = 695,886,866.06/30,155.08
  6. Step 6: Final answer
    x = 23,076.94

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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.