Home / 52,646.80-79,001.40-19,390.24

Finding the Fourth Proportional to 52,646.80, 79,001.40 and 19,390.24

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Solution

The fourth proportional to 52,646.80, 79,001.40 and 19,390.24 is: 29,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,646.80 : 79,001.40 = 19,390.24 : x
  2. Step 2: Convert to fraction form
    52,646.80/79,001.40 = 19,390.24/x
  3. Step 3: Cross multiply
    52,646.80x = 79,001.40 × 19,390.24
  4. Step 4: Simplify right side
    52,646.80x = 1,531,856,106.34
  5. Step 5: Solve for x
    x = 1,531,856,106.34/52,646.80
  6. Step 6: Final answer
    x = 29,096.85

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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.