Home / 38,670.33-58,012.80-12,368.01

Finding the Fourth Proportional to 38,670.33, 58,012.80 and 12,368.01

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Solution

The fourth proportional to 38,670.33, 58,012.80 and 12,368.01 is: 18,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.33 : 58,012.80 = 12,368.01 : x
  2. Step 2: Convert to fraction form
    38,670.33/58,012.80 = 12,368.01/x
  3. Step 3: Cross multiply
    38,670.33x = 58,012.80 × 12,368.01
  4. Step 4: Simplify right side
    38,670.33x = 717,502,890.53
  5. Step 5: Solve for x
    x = 717,502,890.53/38,670.33
  6. Step 6: Final answer
    x = 18,554.35

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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.