Home / 47,880.08-66,078.24-26,666

Finding the Fourth Proportional to 47,880.08, 66,078.24 and 26,666

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Solution

The fourth proportional to 47,880.08, 66,078.24 and 26,666 is: 36,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880.08 : 66,078.24 = 26,666 : x
  2. Step 2: Convert to fraction form
    47,880.08/66,078.24 = 26,666/x
  3. Step 3: Cross multiply
    47,880.08x = 66,078.24 × 26,666
  4. Step 4: Simplify right side
    47,880.08x = 1,762,042,347.84
  5. Step 5: Solve for x
    x = 1,762,042,347.84/47,880.08
  6. Step 6: Final answer
    x = 36,801.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.