Home / 34,239.90-51,327.45-20,210.70

Finding the Fourth Proportional to 34,239.90, 51,327.45 and 20,210.70

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Solution

The fourth proportional to 34,239.90, 51,327.45 and 20,210.70 is: 30,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,239.90 : 51,327.45 = 20,210.70 : x
  2. Step 2: Convert to fraction form
    34,239.90/51,327.45 = 20,210.70/x
  3. Step 3: Cross multiply
    34,239.90x = 51,327.45 × 20,210.70
  4. Step 4: Simplify right side
    34,239.90x = 1,037,363,693.72
  5. Step 5: Solve for x
    x = 1,037,363,693.72/34,239.90
  6. Step 6: Final answer
    x = 30,296.93

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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.