Home / 53,631.66-74,022.45-30,974.34

Finding the Fourth Proportional to 53,631.66, 74,022.45 and 30,974.34

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Solution

The fourth proportional to 53,631.66, 74,022.45 and 30,974.34 is: 42,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.66 : 74,022.45 = 30,974.34 : x
  2. Step 2: Convert to fraction form
    53,631.66/74,022.45 = 30,974.34/x
  3. Step 3: Cross multiply
    53,631.66x = 74,022.45 × 30,974.34
  4. Step 4: Simplify right side
    53,631.66x = 2,292,796,533.93
  5. Step 5: Solve for x
    x = 2,292,796,533.93/53,631.66
  6. Step 6: Final answer
    x = 42,750.80

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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.