Home / 56,307.96-84,484.50-21,257.56

Finding the Fourth Proportional to 56,307.96, 84,484.50 and 21,257.56

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Solution

The fourth proportional to 56,307.96, 84,484.50 and 21,257.56 is: 31,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,307.96 : 84,484.50 = 21,257.56 : x
  2. Step 2: Convert to fraction form
    56,307.96/84,484.50 = 21,257.56/x
  3. Step 3: Cross multiply
    56,307.96x = 84,484.50 × 21,257.56
  4. Step 4: Simplify right side
    56,307.96x = 1,795,934,327.82
  5. Step 5: Solve for x
    x = 1,795,934,327.82/56,307.96
  6. Step 6: Final answer
    x = 31,894.86

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1.5x scale

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.