Home / 38,971.63-58,463.57-12,670.22

Finding the Fourth Proportional to 38,971.63, 58,463.57 and 12,670.22

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Solution

The fourth proportional to 38,971.63, 58,463.57 and 12,670.22 is: 19,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.63 : 58,463.57 = 12,670.22 : x
  2. Step 2: Convert to fraction form
    38,971.63/58,463.57 = 12,670.22/x
  3. Step 3: Cross multiply
    38,971.63x = 58,463.57 × 12,670.22
  4. Step 4: Simplify right side
    38,971.63x = 740,746,471.72
  5. Step 5: Solve for x
    x = 740,746,471.72/38,971.63
  6. Step 6: Final answer
    x = 19,007.33

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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.