Home / 49,045.64-73,569.15-13,985.30

Finding the Fourth Proportional to 49,045.64, 73,569.15 and 13,985.30

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Solution

The fourth proportional to 49,045.64, 73,569.15 and 13,985.30 is: 20,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,045.64 : 73,569.15 = 13,985.30 : x
  2. Step 2: Convert to fraction form
    49,045.64/73,569.15 = 13,985.30/x
  3. Step 3: Cross multiply
    49,045.64x = 73,569.15 × 13,985.30
  4. Step 4: Simplify right side
    49,045.64x = 1,028,886,817.42
  5. Step 5: Solve for x
    x = 1,028,886,817.42/49,045.64
  6. Step 6: Final answer
    x = 20,978.15

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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.