Home / 35,556.72-53,276.64-12,170.40

Finding the Fourth Proportional to 35,556.72, 53,276.64 and 12,170.40

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Solution

The fourth proportional to 35,556.72, 53,276.64 and 12,170.40 is: 18,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.72 : 53,276.64 = 12,170.40 : x
  2. Step 2: Convert to fraction form
    35,556.72/53,276.64 = 12,170.40/x
  3. Step 3: Cross multiply
    35,556.72x = 53,276.64 × 12,170.40
  4. Step 4: Simplify right side
    35,556.72x = 648,398,019.46
  5. Step 5: Solve for x
    x = 648,398,019.46/35,556.72
  6. Step 6: Final answer
    x = 18,235.60

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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.