Home / 53,421.95-80,172.30-25,342.09

Finding the Fourth Proportional to 53,421.95, 80,172.30 and 25,342.09

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Solution

The fourth proportional to 53,421.95, 80,172.30 and 25,342.09 is: 38,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.95 : 80,172.30 = 25,342.09 : x
  2. Step 2: Convert to fraction form
    53,421.95/80,172.30 = 25,342.09/x
  3. Step 3: Cross multiply
    53,421.95x = 80,172.30 × 25,342.09
  4. Step 4: Simplify right side
    53,421.95x = 2,031,733,441.68
  5. Step 5: Solve for x
    x = 2,031,733,441.68/53,421.95
  6. Step 6: Final answer
    x = 38,031.81

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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.