Home / 47,503.56-65,544.30-28,378.20

Finding the Fourth Proportional to 47,503.56, 65,544.30 and 28,378.20

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Solution

The fourth proportional to 47,503.56, 65,544.30 and 28,378.20 is: 39,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.56 : 65,544.30 = 28,378.20 : x
  2. Step 2: Convert to fraction form
    47,503.56/65,544.30 = 28,378.20/x
  3. Step 3: Cross multiply
    47,503.56x = 65,544.30 × 28,378.20
  4. Step 4: Simplify right side
    47,503.56x = 1,860,029,254.26
  5. Step 5: Solve for x
    x = 1,860,029,254.26/47,503.56
  6. Step 6: Final answer
    x = 39,155.58

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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.