Home / 38,968.94-58,460.74-12,681.20

Finding the Fourth Proportional to 38,968.94, 58,460.74 and 12,681.20

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Solution

The fourth proportional to 38,968.94, 58,460.74 and 12,681.20 is: 19,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.94 : 58,460.74 = 12,681.20 : x
  2. Step 2: Convert to fraction form
    38,968.94/58,460.74 = 12,681.20/x
  3. Step 3: Cross multiply
    38,968.94x = 58,460.74 × 12,681.20
  4. Step 4: Simplify right side
    38,968.94x = 741,352,336.09
  5. Step 5: Solve for x
    x = 741,352,336.09/38,968.94
  6. Step 6: Final answer
    x = 19,024.19

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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.