Home / 71,410.08-107,124.43-26,425.31

Finding the Fourth Proportional to 71,410.08, 107,124.43 and 26,425.31

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Solution

The fourth proportional to 71,410.08, 107,124.43 and 26,425.31 is: 39,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,410.08 : 107,124.43 = 26,425.31 : x
  2. Step 2: Convert to fraction form
    71,410.08/107,124.43 = 26,425.31/x
  3. Step 3: Cross multiply
    71,410.08x = 107,124.43 × 26,425.31
  4. Step 4: Simplify right side
    71,410.08x = 2,830,795,937.45
  5. Step 5: Solve for x
    x = 2,830,795,937.45/71,410.08
  6. Step 6: Final answer
    x = 39,641.41

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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.