Home / 52,693.10-79,039.78-21,528.35

Finding the Fourth Proportional to 52,693.10, 79,039.78 and 21,528.35

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Solution

The fourth proportional to 52,693.10, 79,039.78 and 21,528.35 is: 32,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,693.10 : 79,039.78 = 21,528.35 : x
  2. Step 2: Convert to fraction form
    52,693.10/79,039.78 = 21,528.35/x
  3. Step 3: Cross multiply
    52,693.10x = 79,039.78 × 21,528.35
  4. Step 4: Simplify right side
    52,693.10x = 1,701,595,544.92
  5. Step 5: Solve for x
    x = 1,701,595,544.92/52,693.10
  6. Step 6: Final answer
    x = 32,292.57

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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.