Home / 30,168.13-45,252.70-10,447.27

Finding the Fourth Proportional to 30,168.13, 45,252.70 and 10,447.27

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Solution

The fourth proportional to 30,168.13, 45,252.70 and 10,447.27 is: 15,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.13 : 45,252.70 = 10,447.27 : x
  2. Step 2: Convert to fraction form
    30,168.13/45,252.70 = 10,447.27/x
  3. Step 3: Cross multiply
    30,168.13x = 45,252.70 × 10,447.27
  4. Step 4: Simplify right side
    30,168.13x = 472,767,075.06
  5. Step 5: Solve for x
    x = 472,767,075.06/30,168.13
  6. Step 6: Final answer
    x = 15,671.08

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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.