Home / 47,938.94-71,908.41-14,659

Finding the Fourth Proportional to 47,938.94, 71,908.41 and 14,659

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Solution

The fourth proportional to 47,938.94, 71,908.41 and 14,659 is: 21,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.94 : 71,908.41 = 14,659 : x
  2. Step 2: Convert to fraction form
    47,938.94/71,908.41 = 14,659/x
  3. Step 3: Cross multiply
    47,938.94x = 71,908.41 × 14,659
  4. Step 4: Simplify right side
    47,938.94x = 1,054,105,382.19
  5. Step 5: Solve for x
    x = 1,054,105,382.19/47,938.94
  6. Step 6: Final answer
    x = 21,988.50

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1.5x scale

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.