Home / 56,172.42-84,267.27-21,114.54

Finding the Fourth Proportional to 56,172.42, 84,267.27 and 21,114.54

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Solution

The fourth proportional to 56,172.42, 84,267.27 and 21,114.54 is: 31,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172.42 : 84,267.27 = 21,114.54 : x
  2. Step 2: Convert to fraction form
    56,172.42/84,267.27 = 21,114.54/x
  3. Step 3: Cross multiply
    56,172.42x = 84,267.27 × 21,114.54
  4. Step 4: Simplify right side
    56,172.42x = 1,779,264,643.11
  5. Step 5: Solve for x
    x = 1,779,264,643.11/56,172.42
  6. Step 6: Final answer
    x = 31,675.06

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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.