Home / 30,042.64-45,036.06-14,255.08

Finding the Fourth Proportional to 30,042.64, 45,036.06 and 14,255.08

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Solution

The fourth proportional to 30,042.64, 45,036.06 and 14,255.08 is: 21,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.64 : 45,036.06 = 14,255.08 : x
  2. Step 2: Convert to fraction form
    30,042.64/45,036.06 = 14,255.08/x
  3. Step 3: Cross multiply
    30,042.64x = 45,036.06 × 14,255.08
  4. Step 4: Simplify right side
    30,042.64x = 641,992,638.18
  5. Step 5: Solve for x
    x = 641,992,638.18/30,042.64
  6. Step 6: Final answer
    x = 21,369.38

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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.