Home / 47,200.80-70,801.20-31,533.60

Finding the Fourth Proportional to 47,200.80, 70,801.20 and 31,533.60

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Solution

The fourth proportional to 47,200.80, 70,801.20 and 31,533.60 is: 47,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.80 : 70,801.20 = 31,533.60 : x
  2. Step 2: Convert to fraction form
    47,200.80/70,801.20 = 31,533.60/x
  3. Step 3: Cross multiply
    47,200.80x = 70,801.20 × 31,533.60
  4. Step 4: Simplify right side
    47,200.80x = 2,232,616,720.32
  5. Step 5: Solve for x
    x = 2,232,616,720.32/47,200.80
  6. Step 6: Final answer
    x = 47,300.40

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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.