Home / 30,708.37-45,988.73-17,520.76

Finding the Fourth Proportional to 30,708.37, 45,988.73 and 17,520.76

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Solution

The fourth proportional to 30,708.37, 45,988.73 and 17,520.76 is: 26,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.37 : 45,988.73 = 17,520.76 : x
  2. Step 2: Convert to fraction form
    30,708.37/45,988.73 = 17,520.76/x
  3. Step 3: Cross multiply
    30,708.37x = 45,988.73 × 17,520.76
  4. Step 4: Simplify right side
    30,708.37x = 805,757,501.03
  5. Step 5: Solve for x
    x = 805,757,501.03/30,708.37
  6. Step 6: Final answer
    x = 26,239.02

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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.