Home / 30,263.98-45,395.51-13,612.25

Finding the Fourth Proportional to 30,263.98, 45,395.51 and 13,612.25

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Solution

The fourth proportional to 30,263.98, 45,395.51 and 13,612.25 is: 20,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.98 : 45,395.51 = 13,612.25 : x
  2. Step 2: Convert to fraction form
    30,263.98/45,395.51 = 13,612.25/x
  3. Step 3: Cross multiply
    30,263.98x = 45,395.51 × 13,612.25
  4. Step 4: Simplify right side
    30,263.98x = 617,935,191.28
  5. Step 5: Solve for x
    x = 617,935,191.28/30,263.98
  6. Step 6: Final answer
    x = 20,418.17

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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.