Home / 20,130.48-30,060.17-16,440.03

Finding the Fourth Proportional to 20,130.48, 30,060.17 and 16,440.03

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Solution

The fourth proportional to 20,130.48, 30,060.17 and 16,440.03 is: 24,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.48 : 30,060.17 = 16,440.03 : x
  2. Step 2: Convert to fraction form
    20,130.48/30,060.17 = 16,440.03/x
  3. Step 3: Cross multiply
    20,130.48x = 30,060.17 × 16,440.03
  4. Step 4: Simplify right side
    20,130.48x = 494,190,014.40
  5. Step 5: Solve for x
    x = 494,190,014.40/20,130.48
  6. Step 6: Final answer
    x = 24,549.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.