Home / 30,182.36-45,302.36-18,518.36

Finding the Fourth Proportional to 30,182.36, 45,302.36 and 18,518.36

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Solution

The fourth proportional to 30,182.36, 45,302.36 and 18,518.36 is: 27,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.36 : 45,302.36 = 18,518.36 : x
  2. Step 2: Convert to fraction form
    30,182.36/45,302.36 = 18,518.36/x
  3. Step 3: Cross multiply
    30,182.36x = 45,302.36 × 18,518.36
  4. Step 4: Simplify right side
    30,182.36x = 838,925,411.33
  5. Step 5: Solve for x
    x = 838,925,411.33/30,182.36
  6. Step 6: Final answer
    x = 27,795.22

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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.