Home / 52,678.04-79,017.14-21,513.30

Finding the Fourth Proportional to 52,678.04, 79,017.14 and 21,513.30

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Solution

The fourth proportional to 52,678.04, 79,017.14 and 21,513.30 is: 32,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.04 : 79,017.14 = 21,513.30 : x
  2. Step 2: Convert to fraction form
    52,678.04/79,017.14 = 21,513.30/x
  3. Step 3: Cross multiply
    52,678.04x = 79,017.14 × 21,513.30
  4. Step 4: Simplify right side
    52,678.04x = 1,699,919,437.96
  5. Step 5: Solve for x
    x = 1,699,919,437.96/52,678.04
  6. Step 6: Final answer
    x = 32,269.98

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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.