Home / 30,581.56-45,866.94-13,937.64

Finding the Fourth Proportional to 30,581.56, 45,866.94 and 13,937.64

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Solution

The fourth proportional to 30,581.56, 45,866.94 and 13,937.64 is: 20,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.56 : 45,866.94 = 13,937.64 : x
  2. Step 2: Convert to fraction form
    30,581.56/45,866.94 = 13,937.64/x
  3. Step 3: Cross multiply
    30,581.56x = 45,866.94 × 13,937.64
  4. Step 4: Simplify right side
    30,581.56x = 639,276,897.62
  5. Step 5: Solve for x
    x = 639,276,897.62/30,581.56
  6. Step 6: Final answer
    x = 20,904.00

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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.