Home / 30,134.64-45,159.84-25,669.02

Finding the Fourth Proportional to 30,134.64, 45,159.84 and 25,669.02

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Solution

The fourth proportional to 30,134.64, 45,159.84 and 25,669.02 is: 38,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.64 : 45,159.84 = 25,669.02 : x
  2. Step 2: Convert to fraction form
    30,134.64/45,159.84 = 25,669.02/x
  3. Step 3: Cross multiply
    30,134.64x = 45,159.84 × 25,669.02
  4. Step 4: Simplify right side
    30,134.64x = 1,159,208,836.16
  5. Step 5: Solve for x
    x = 1,159,208,836.16/30,134.64
  6. Step 6: Final answer
    x = 38,467.65

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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.