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Finding the Fourth Proportional to 60,013.04, 90,021.04 and 20,569.92

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Solution

The fourth proportional to 60,013.04, 90,021.04 and 20,569.92 is: 30,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.04 : 90,021.04 = 20,569.92 : x
  2. Step 2: Convert to fraction form
    60,013.04/90,021.04 = 20,569.92/x
  3. Step 3: Cross multiply
    60,013.04x = 90,021.04 × 20,569.92
  4. Step 4: Simplify right side
    60,013.04x = 1,851,725,591.12
  5. Step 5: Solve for x
    x = 1,851,725,591.12/60,013.04
  6. Step 6: Final answer
    x = 30,855.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.