Home / 47,140.52-70,700.84-13,851.55

Finding the Fourth Proportional to 47,140.52, 70,700.84 and 13,851.55

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Solution

The fourth proportional to 47,140.52, 70,700.84 and 13,851.55 is: 20,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.52 : 70,700.84 = 13,851.55 : x
  2. Step 2: Convert to fraction form
    47,140.52/70,700.84 = 13,851.55/x
  3. Step 3: Cross multiply
    47,140.52x = 70,700.84 × 13,851.55
  4. Step 4: Simplify right side
    47,140.52x = 979,315,797.54
  5. Step 5: Solve for x
    x = 979,315,797.54/47,140.52
  6. Step 6: Final answer
    x = 20,774.40

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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.