Home / 30,048.80-41,465.72-16,619.28

Finding the Fourth Proportional to 30,048.80, 41,465.72 and 16,619.28

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Solution

The fourth proportional to 30,048.80, 41,465.72 and 16,619.28 is: 22,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.80 : 41,465.72 = 16,619.28 : x
  2. Step 2: Convert to fraction form
    30,048.80/41,465.72 = 16,619.28/x
  3. Step 3: Cross multiply
    30,048.80x = 41,465.72 × 16,619.28
  4. Step 4: Simplify right side
    30,048.80x = 689,130,411.08
  5. Step 5: Solve for x
    x = 689,130,411.08/30,048.80
  6. Step 6: Final answer
    x = 22,933.71

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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.