Home / 51,122.46-70,534.83-30,699.26

Finding the Fourth Proportional to 51,122.46, 70,534.83 and 30,699.26

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Solution

The fourth proportional to 51,122.46, 70,534.83 and 30,699.26 is: 42,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.46 : 70,534.83 = 30,699.26 : x
  2. Step 2: Convert to fraction form
    51,122.46/70,534.83 = 30,699.26/x
  3. Step 3: Cross multiply
    51,122.46x = 70,534.83 × 30,699.26
  4. Step 4: Simplify right side
    51,122.46x = 2,165,367,085.23
  5. Step 5: Solve for x
    x = 2,165,367,085.23/51,122.46
  6. Step 6: Final answer
    x = 42,356.47

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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.