Home / 56,283.75-84,408-18,835.07

Finding the Fourth Proportional to 56,283.75, 84,408 and 18,835.07

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Solution

The fourth proportional to 56,283.75, 84,408 and 18,835.07 is: 28,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.75 : 84,408 = 18,835.07 : x
  2. Step 2: Convert to fraction form
    56,283.75/84,408 = 18,835.07/x
  3. Step 3: Cross multiply
    56,283.75x = 84,408 × 18,835.07
  4. Step 4: Simplify right side
    56,283.75x = 1,589,830,166.52
  5. Step 5: Solve for x
    x = 1,589,830,166.52/56,283.75
  6. Step 6: Final answer
    x = 28,246.70

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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.