Home / 20,312.04-30,333.09-20,092.11

Finding the Fourth Proportional to 20,312.04, 30,333.09 and 20,092.11

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Solution

The fourth proportional to 20,312.04, 30,333.09 and 20,092.11 is: 30,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.04 : 30,333.09 = 20,092.11 : x
  2. Step 2: Convert to fraction form
    20,312.04/30,333.09 = 20,092.11/x
  3. Step 3: Cross multiply
    20,312.04x = 30,333.09 × 20,092.11
  4. Step 4: Simplify right side
    20,312.04x = 609,455,780.92
  5. Step 5: Solve for x
    x = 609,455,780.92/20,312.04
  6. Step 6: Final answer
    x = 30,004.66

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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.