Home / 30,140.06-41,586.56-18,038.66

Finding the Fourth Proportional to 30,140.06, 41,586.56 and 18,038.66

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Solution

The fourth proportional to 30,140.06, 41,586.56 and 18,038.66 is: 24,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.06 : 41,586.56 = 18,038.66 : x
  2. Step 2: Convert to fraction form
    30,140.06/41,586.56 = 18,038.66/x
  3. Step 3: Cross multiply
    30,140.06x = 41,586.56 × 18,038.66
  4. Step 4: Simplify right side
    30,140.06x = 750,165,518.28
  5. Step 5: Solve for x
    x = 750,165,518.28/30,140.06
  6. Step 6: Final answer
    x = 24,889.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.