Home / 71,353.08-98,467.38-39,521.30

Finding the Fourth Proportional to 71,353.08, 98,467.38 and 39,521.30

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Solution

The fourth proportional to 71,353.08, 98,467.38 and 39,521.30 is: 54,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.08 : 98,467.38 = 39,521.30 : x
  2. Step 2: Convert to fraction form
    71,353.08/98,467.38 = 39,521.30/x
  3. Step 3: Cross multiply
    71,353.08x = 98,467.38 × 39,521.30
  4. Step 4: Simplify right side
    71,353.08x = 3,891,558,865.19
  5. Step 5: Solve for x
    x = 3,891,558,865.19/71,353.08
  6. Step 6: Final answer
    x = 54,539.47

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1.5x scale

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.