Home / 49,668.19-74,549.09-18,108.74

Finding the Fourth Proportional to 49,668.19, 74,549.09 and 18,108.74

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Solution

The fourth proportional to 49,668.19, 74,549.09 and 18,108.74 is: 27,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.19 : 74,549.09 = 18,108.74 : x
  2. Step 2: Convert to fraction form
    49,668.19/74,549.09 = 18,108.74/x
  3. Step 3: Cross multiply
    49,668.19x = 74,549.09 × 18,108.74
  4. Step 4: Simplify right side
    49,668.19x = 1,349,990,319.69
  5. Step 5: Solve for x
    x = 1,349,990,319.69/49,668.19
  6. Step 6: Final answer
    x = 27,180.18

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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.