Home / 30,007.50-41,409.86-16,579.32

Finding the Fourth Proportional to 30,007.50, 41,409.86 and 16,579.32

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Solution

The fourth proportional to 30,007.50, 41,409.86 and 16,579.32 is: 22,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.50 : 41,409.86 = 16,579.32 : x
  2. Step 2: Convert to fraction form
    30,007.50/41,409.86 = 16,579.32/x
  3. Step 3: Cross multiply
    30,007.50x = 41,409.86 × 16,579.32
  4. Step 4: Simplify right side
    30,007.50x = 686,547,237.20
  5. Step 5: Solve for x
    x = 686,547,237.20/30,007.50
  6. Step 6: Final answer
    x = 22,879.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.