Home / 47,880.51-71,851.74-21,583.65

Finding the Fourth Proportional to 47,880.51, 71,851.74 and 21,583.65

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Solution

The fourth proportional to 47,880.51, 71,851.74 and 21,583.65 is: 32,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880.51 : 71,851.74 = 21,583.65 : x
  2. Step 2: Convert to fraction form
    47,880.51/71,851.74 = 21,583.65/x
  3. Step 3: Cross multiply
    47,880.51x = 71,851.74 × 21,583.65
  4. Step 4: Simplify right side
    47,880.51x = 1,550,822,808.05
  5. Step 5: Solve for x
    x = 1,550,822,808.05/47,880.51
  6. Step 6: Final answer
    x = 32,389.44

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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.