Home / 30,590.32-45,858.30-10,866.28

Finding the Fourth Proportional to 30,590.32, 45,858.30 and 10,866.28

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Solution

The fourth proportional to 30,590.32, 45,858.30 and 10,866.28 is: 16,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.32 : 45,858.30 = 10,866.28 : x
  2. Step 2: Convert to fraction form
    30,590.32/45,858.30 = 10,866.28/x
  3. Step 3: Cross multiply
    30,590.32x = 45,858.30 × 10,866.28
  4. Step 4: Simplify right side
    30,590.32x = 498,309,128.12
  5. Step 5: Solve for x
    x = 498,309,128.12/30,590.32
  6. Step 6: Final answer
    x = 16,289.77

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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.