Home / 20,129.52-30,182.48-6,085.36

Finding the Fourth Proportional to 20,129.52, 30,182.48 and 6,085.36

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Solution

The fourth proportional to 20,129.52, 30,182.48 and 6,085.36 is: 9,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129.52 : 30,182.48 = 6,085.36 : x
  2. Step 2: Convert to fraction form
    20,129.52/30,182.48 = 6,085.36/x
  3. Step 3: Cross multiply
    20,129.52x = 30,182.48 × 6,085.36
  4. Step 4: Simplify right side
    20,129.52x = 183,671,256.49
  5. Step 5: Solve for x
    x = 183,671,256.49/20,129.52
  6. Step 6: Final answer
    x = 9,124.47

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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.