Home / 53,260.44-79,890.64-18,200.40

Finding the Fourth Proportional to 53,260.44, 79,890.64 and 18,200.40

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Solution

The fourth proportional to 53,260.44, 79,890.64 and 18,200.40 is: 27,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,260.44 : 79,890.64 = 18,200.40 : x
  2. Step 2: Convert to fraction form
    53,260.44/79,890.64 = 18,200.40/x
  3. Step 3: Cross multiply
    53,260.44x = 79,890.64 × 18,200.40
  4. Step 4: Simplify right side
    53,260.44x = 1,454,041,604.26
  5. Step 5: Solve for x
    x = 1,454,041,604.26/53,260.44
  6. Step 6: Final answer
    x = 27,300.59

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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.