Home / 47,604.98-65,677.29-28,485.20

Finding the Fourth Proportional to 47,604.98, 65,677.29 and 28,485.20

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Solution

The fourth proportional to 47,604.98, 65,677.29 and 28,485.20 is: 39,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,604.98 : 65,677.29 = 28,485.20 : x
  2. Step 2: Convert to fraction form
    47,604.98/65,677.29 = 28,485.20/x
  3. Step 3: Cross multiply
    47,604.98x = 65,677.29 × 28,485.20
  4. Step 4: Simplify right side
    47,604.98x = 1,870,830,741.11
  5. Step 5: Solve for x
    x = 1,870,830,741.11/47,604.98
  6. Step 6: Final answer
    x = 39,299.06

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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.