Home / 57,056.45-85,584.60-21,971.50

Finding the Fourth Proportional to 57,056.45, 85,584.60 and 21,971.50

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Solution

The fourth proportional to 57,056.45, 85,584.60 and 21,971.50 is: 32,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.45 : 85,584.60 = 21,971.50 : x
  2. Step 2: Convert to fraction form
    57,056.45/85,584.60 = 21,971.50/x
  3. Step 3: Cross multiply
    57,056.45x = 85,584.60 × 21,971.50
  4. Step 4: Simplify right side
    57,056.45x = 1,880,421,824.94
  5. Step 5: Solve for x
    x = 1,880,421,824.94/57,056.45
  6. Step 6: Final answer
    x = 32,957.22

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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.