Home / 49,365.36-74,049.45-19,378.35

Finding the Fourth Proportional to 49,365.36, 74,049.45 and 19,378.35

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Solution

The fourth proportional to 49,365.36, 74,049.45 and 19,378.35 is: 29,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.36 : 74,049.45 = 19,378.35 : x
  2. Step 2: Convert to fraction form
    49,365.36/74,049.45 = 19,378.35/x
  3. Step 3: Cross multiply
    49,365.36x = 74,049.45 × 19,378.35
  4. Step 4: Simplify right side
    49,365.36x = 1,434,956,159.41
  5. Step 5: Solve for x
    x = 1,434,956,159.41/49,365.36
  6. Step 6: Final answer
    x = 29,068.08

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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.