Home / 30,588.36-45,894.81-13,956.24

Finding the Fourth Proportional to 30,588.36, 45,894.81 and 13,956.24

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Solution

The fourth proportional to 30,588.36, 45,894.81 and 13,956.24 is: 20,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.36 : 45,894.81 = 13,956.24 : x
  2. Step 2: Convert to fraction form
    30,588.36/45,894.81 = 13,956.24/x
  3. Step 3: Cross multiply
    30,588.36x = 45,894.81 × 13,956.24
  4. Step 4: Simplify right side
    30,588.36x = 640,518,983.11
  5. Step 5: Solve for x
    x = 640,518,983.11/30,588.36
  6. Step 6: Final answer
    x = 20,939.96

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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.