Home / 49,476.52-74,214.78-14,415.40

Finding the Fourth Proportional to 49,476.52, 74,214.78 and 14,415.40

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Solution

The fourth proportional to 49,476.52, 74,214.78 and 14,415.40 is: 21,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,476.52 : 74,214.78 = 14,415.40 : x
  2. Step 2: Convert to fraction form
    49,476.52/74,214.78 = 14,415.40/x
  3. Step 3: Cross multiply
    49,476.52x = 74,214.78 × 14,415.40
  4. Step 4: Simplify right side
    49,476.52x = 1,069,835,739.61
  5. Step 5: Solve for x
    x = 1,069,835,739.61/49,476.52
  6. Step 6: Final answer
    x = 21,623.10

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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.