Home / 47,135.63-65,047.28-25,915.05

Finding the Fourth Proportional to 47,135.63, 65,047.28 and 25,915.05

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Solution

The fourth proportional to 47,135.63, 65,047.28 and 25,915.05 is: 35,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.63 : 65,047.28 = 25,915.05 : x
  2. Step 2: Convert to fraction form
    47,135.63/65,047.28 = 25,915.05/x
  3. Step 3: Cross multiply
    47,135.63x = 65,047.28 × 25,915.05
  4. Step 4: Simplify right side
    47,135.63x = 1,685,703,383.99
  5. Step 5: Solve for x
    x = 1,685,703,383.99/47,135.63
  6. Step 6: Final answer
    x = 35,762.83

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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.