Home / 47,256.24-70,880.64-20,601.60

Finding the Fourth Proportional to 47,256.24, 70,880.64 and 20,601.60

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Solution

The fourth proportional to 47,256.24, 70,880.64 and 20,601.60 is: 30,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256.24 : 70,880.64 = 20,601.60 : x
  2. Step 2: Convert to fraction form
    47,256.24/70,880.64 = 20,601.60/x
  3. Step 3: Cross multiply
    47,256.24x = 70,880.64 × 20,601.60
  4. Step 4: Simplify right side
    47,256.24x = 1,460,254,593.02
  5. Step 5: Solve for x
    x = 1,460,254,593.02/47,256.24
  6. Step 6: Final answer
    x = 30,900.78

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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.