Home / 30,019.32-41,426.42-16,590.28

Finding the Fourth Proportional to 30,019.32, 41,426.42 and 16,590.28

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Solution

The fourth proportional to 30,019.32, 41,426.42 and 16,590.28 is: 22,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.32 : 41,426.42 = 16,590.28 : x
  2. Step 2: Convert to fraction form
    30,019.32/41,426.42 = 16,590.28/x
  3. Step 3: Cross multiply
    30,019.32x = 41,426.42 × 16,590.28
  4. Step 4: Simplify right side
    30,019.32x = 687,275,907.20
  5. Step 5: Solve for x
    x = 687,275,907.20/30,019.32
  6. Step 6: Final answer
    x = 22,894.45

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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.