Home / 57,056.04-78,737.34-31,905.60

Finding the Fourth Proportional to 57,056.04, 78,737.34 and 31,905.60

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Solution

The fourth proportional to 57,056.04, 78,737.34 and 31,905.60 is: 44,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.04 : 78,737.34 = 31,905.60 : x
  2. Step 2: Convert to fraction form
    57,056.04/78,737.34 = 31,905.60/x
  3. Step 3: Cross multiply
    57,056.04x = 78,737.34 × 31,905.60
  4. Step 4: Simplify right side
    57,056.04x = 2,512,162,075.10
  5. Step 5: Solve for x
    x = 2,512,162,075.10/57,056.04
  6. Step 6: Final answer
    x = 44,029.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.