Home / 53,209.61-79,816.46-19,926.23

Finding the Fourth Proportional to 53,209.61, 79,816.46 and 19,926.23

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Solution

The fourth proportional to 53,209.61, 79,816.46 and 19,926.23 is: 29,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.61 : 79,816.46 = 19,926.23 : x
  2. Step 2: Convert to fraction form
    53,209.61/79,816.46 = 19,926.23/x
  3. Step 3: Cross multiply
    53,209.61x = 79,816.46 × 19,926.23
  4. Step 4: Simplify right side
    53,209.61x = 1,590,440,641.03
  5. Step 5: Solve for x
    x = 1,590,440,641.03/53,209.61
  6. Step 6: Final answer
    x = 29,890.10

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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.