Home / 30,148.92-45,189.36-14,548.32

Finding the Fourth Proportional to 30,148.92, 45,189.36 and 14,548.32

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Solution

The fourth proportional to 30,148.92, 45,189.36 and 14,548.32 is: 21,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.92 : 45,189.36 = 14,548.32 : x
  2. Step 2: Convert to fraction form
    30,148.92/45,189.36 = 14,548.32/x
  3. Step 3: Cross multiply
    30,148.92x = 45,189.36 × 14,548.32
  4. Step 4: Simplify right side
    30,148.92x = 657,429,269.88
  5. Step 5: Solve for x
    x = 657,429,269.88/30,148.92
  6. Step 6: Final answer
    x = 21,806.06

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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.