Home / 36,345.45-54,525.50-12,971.28

Finding the Fourth Proportional to 36,345.45, 54,525.50 and 12,971.28

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Solution

The fourth proportional to 36,345.45, 54,525.50 and 12,971.28 is: 19,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.45 : 54,525.50 = 12,971.28 : x
  2. Step 2: Convert to fraction form
    36,345.45/54,525.50 = 12,971.28/x
  3. Step 3: Cross multiply
    36,345.45x = 54,525.50 × 12,971.28
  4. Step 4: Simplify right side
    36,345.45x = 707,265,462.78
  5. Step 5: Solve for x
    x = 707,265,462.78/36,345.45
  6. Step 6: Final answer
    x = 19,459.53

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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.