Home / 30,148.92-41,605.74-16,721.28

Finding the Fourth Proportional to 30,148.92, 41,605.74 and 16,721.28

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Solution

The fourth proportional to 30,148.92, 41,605.74 and 16,721.28 is: 23,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.92 : 41,605.74 = 16,721.28 : x
  2. Step 2: Convert to fraction form
    30,148.92/41,605.74 = 16,721.28/x
  3. Step 3: Cross multiply
    30,148.92x = 41,605.74 × 16,721.28
  4. Step 4: Simplify right side
    30,148.92x = 695,701,228.15
  5. Step 5: Solve for x
    x = 695,701,228.15/30,148.92
  6. Step 6: Final answer
    x = 23,075.49

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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.