Home / 56,421.77-84,586.46-28,307.88

Finding the Fourth Proportional to 56,421.77, 84,586.46 and 28,307.88

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Solution

The fourth proportional to 56,421.77, 84,586.46 and 28,307.88 is: 42,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.77 : 84,586.46 = 28,307.88 : x
  2. Step 2: Convert to fraction form
    56,421.77/84,586.46 = 28,307.88/x
  3. Step 3: Cross multiply
    56,421.77x = 84,586.46 × 28,307.88
  4. Step 4: Simplify right side
    56,421.77x = 2,394,463,217.77
  5. Step 5: Solve for x
    x = 2,394,463,217.77/56,421.77
  6. Step 6: Final answer
    x = 42,438.64

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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.