Home / 30,111.36-45,133.22-14,303.46

Finding the Fourth Proportional to 30,111.36, 45,133.22 and 14,303.46

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Solution

The fourth proportional to 30,111.36, 45,133.22 and 14,303.46 is: 21,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.36 : 45,133.22 = 14,303.46 : x
  2. Step 2: Convert to fraction form
    30,111.36/45,133.22 = 14,303.46/x
  3. Step 3: Cross multiply
    30,111.36x = 45,133.22 × 14,303.46
  4. Step 4: Simplify right side
    30,111.36x = 645,561,206.94
  5. Step 5: Solve for x
    x = 645,561,206.94/30,111.36
  6. Step 6: Final answer
    x = 21,439.12

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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.