Home / 30,130.09-41,580.26-16,518.91

Finding the Fourth Proportional to 30,130.09, 41,580.26 and 16,518.91

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Solution

The fourth proportional to 30,130.09, 41,580.26 and 16,518.91 is: 22,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.09 : 41,580.26 = 16,518.91 : x
  2. Step 2: Convert to fraction form
    30,130.09/41,580.26 = 16,518.91/x
  3. Step 3: Cross multiply
    30,130.09x = 41,580.26 × 16,518.91
  4. Step 4: Simplify right side
    30,130.09x = 686,860,572.72
  5. Step 5: Solve for x
    x = 686,860,572.72/30,130.09
  6. Step 6: Final answer
    x = 22,796.50

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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.