Home / 56,350.89-84,569.16-20,845.80

Finding the Fourth Proportional to 56,350.89, 84,569.16 and 20,845.80

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Solution

The fourth proportional to 56,350.89, 84,569.16 and 20,845.80 is: 31,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.89 : 84,569.16 = 20,845.80 : x
  2. Step 2: Convert to fraction form
    56,350.89/84,569.16 = 20,845.80/x
  3. Step 3: Cross multiply
    56,350.89x = 84,569.16 × 20,845.80
  4. Step 4: Simplify right side
    56,350.89x = 1,762,911,795.53
  5. Step 5: Solve for x
    x = 1,762,911,795.53/56,350.89
  6. Step 6: Final answer
    x = 31,284.54

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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.