Home / 38,570.36-57,862.01-12,283.16

Finding the Fourth Proportional to 38,570.36, 57,862.01 and 12,283.16

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Solution

The fourth proportional to 38,570.36, 57,862.01 and 12,283.16 is: 18,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.36 : 57,862.01 = 12,283.16 : x
  2. Step 2: Convert to fraction form
    38,570.36/57,862.01 = 12,283.16/x
  3. Step 3: Cross multiply
    38,570.36x = 57,862.01 × 12,283.16
  4. Step 4: Simplify right side
    38,570.36x = 710,728,068.15
  5. Step 5: Solve for x
    x = 710,728,068.15/38,570.36
  6. Step 6: Final answer
    x = 18,426.80

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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.