Home / 30,111.08-45,148.39-13,468.01

Finding the Fourth Proportional to 30,111.08, 45,148.39 and 13,468.01

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Solution

The fourth proportional to 30,111.08, 45,148.39 and 13,468.01 is: 20,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.08 : 45,148.39 = 13,468.01 : x
  2. Step 2: Convert to fraction form
    30,111.08/45,148.39 = 13,468.01/x
  3. Step 3: Cross multiply
    30,111.08x = 45,148.39 × 13,468.01
  4. Step 4: Simplify right side
    30,111.08x = 608,058,708.59
  5. Step 5: Solve for x
    x = 608,058,708.59/30,111.08
  6. Step 6: Final answer
    x = 20,193.86

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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.