Home / 51,121.46-70,533.45-30,698.26

Finding the Fourth Proportional to 51,121.46, 70,533.45 and 30,698.26

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Solution

The fourth proportional to 51,121.46, 70,533.45 and 30,698.26 is: 42,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,121.46 : 70,533.45 = 30,698.26 : x
  2. Step 2: Convert to fraction form
    51,121.46/70,533.45 = 30,698.26/x
  3. Step 3: Cross multiply
    51,121.46x = 70,533.45 × 30,698.26
  4. Step 4: Simplify right side
    51,121.46x = 2,165,254,010.46
  5. Step 5: Solve for x
    x = 2,165,254,010.46/51,121.46
  6. Step 6: Final answer
    x = 42,355.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.