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Finding the Fourth Proportional to 42,324.10, 63,477.02 and 17,339.64

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Solution

The fourth proportional to 42,324.10, 63,477.02 and 17,339.64 is: 26,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.10 : 63,477.02 = 17,339.64 : x
  2. Step 2: Convert to fraction form
    42,324.10/63,477.02 = 17,339.64/x
  3. Step 3: Cross multiply
    42,324.10x = 63,477.02 × 17,339.64
  4. Step 4: Simplify right side
    42,324.10x = 1,100,668,675.07
  5. Step 5: Solve for x
    x = 1,100,668,675.07/42,324.10
  6. Step 6: Final answer
    x = 26,005.72

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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.