Home / 53,956.71-74,467.01-30,993.72

Finding the Fourth Proportional to 53,956.71, 74,467.01 and 30,993.72

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Solution

The fourth proportional to 53,956.71, 74,467.01 and 30,993.72 is: 42,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.71 : 74,467.01 = 30,993.72 : x
  2. Step 2: Convert to fraction form
    53,956.71/74,467.01 = 30,993.72/x
  3. Step 3: Cross multiply
    53,956.71x = 74,467.01 × 30,993.72
  4. Step 4: Simplify right side
    53,956.71x = 2,308,009,502.21
  5. Step 5: Solve for x
    x = 2,308,009,502.21/53,956.71
  6. Step 6: Final answer
    x = 42,775.21

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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.