Home / 56,579.83-84,883.71-39,972.40

Finding the Fourth Proportional to 56,579.83, 84,883.71 and 39,972.40

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Solution

The fourth proportional to 56,579.83, 84,883.71 and 39,972.40 is: 59,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.83 : 84,883.71 = 39,972.40 : x
  2. Step 2: Convert to fraction form
    56,579.83/84,883.71 = 39,972.40/x
  3. Step 3: Cross multiply
    56,579.83x = 84,883.71 × 39,972.40
  4. Step 4: Simplify right side
    56,579.83x = 3,393,005,609.60
  5. Step 5: Solve for x
    x = 3,393,005,609.60/56,579.83
  6. Step 6: Final answer
    x = 59,968.47

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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.