Home / 56,303.07-84,442.30-18,868.46

Finding the Fourth Proportional to 56,303.07, 84,442.30 and 18,868.46

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Solution

The fourth proportional to 56,303.07, 84,442.30 and 18,868.46 is: 28,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.07 : 84,442.30 = 18,868.46 : x
  2. Step 2: Convert to fraction form
    56,303.07/84,442.30 = 18,868.46/x
  3. Step 3: Cross multiply
    56,303.07x = 84,442.30 × 18,868.46
  4. Step 4: Simplify right side
    56,303.07x = 1,593,296,165.46
  5. Step 5: Solve for x
    x = 1,593,296,165.46/56,303.07
  6. Step 6: Final answer
    x = 28,298.57

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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.