Home / 43,293.20-64,939.80-26,758.40

Finding the Fourth Proportional to 43,293.20, 64,939.80 and 26,758.40

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Solution

The fourth proportional to 43,293.20, 64,939.80 and 26,758.40 is: 40,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.20 : 64,939.80 = 26,758.40 : x
  2. Step 2: Convert to fraction form
    43,293.20/64,939.80 = 26,758.40/x
  3. Step 3: Cross multiply
    43,293.20x = 64,939.80 × 26,758.40
  4. Step 4: Simplify right side
    43,293.20x = 1,737,685,144.32
  5. Step 5: Solve for x
    x = 1,737,685,144.32/43,293.20
  6. Step 6: Final answer
    x = 40,137.60

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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.