Home / 30,150.48-41,609.05-16,720.93

Finding the Fourth Proportional to 30,150.48, 41,609.05 and 16,720.93

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Solution

The fourth proportional to 30,150.48, 41,609.05 and 16,720.93 is: 23,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.48 : 41,609.05 = 16,720.93 : x
  2. Step 2: Convert to fraction form
    30,150.48/41,609.05 = 16,720.93/x
  3. Step 3: Cross multiply
    30,150.48x = 41,609.05 × 16,720.93
  4. Step 4: Simplify right side
    30,150.48x = 695,741,970.61
  5. Step 5: Solve for x
    x = 695,741,970.61/30,150.48
  6. Step 6: Final answer
    x = 23,075.65

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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.