Home / 47,776.03-71,639.47-21,458.19

Finding the Fourth Proportional to 47,776.03, 71,639.47 and 21,458.19

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Solution

The fourth proportional to 47,776.03, 71,639.47 and 21,458.19 is: 32,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,776.03 : 71,639.47 = 21,458.19 : x
  2. Step 2: Convert to fraction form
    47,776.03/71,639.47 = 21,458.19/x
  3. Step 3: Cross multiply
    47,776.03x = 71,639.47 × 21,458.19
  4. Step 4: Simplify right side
    47,776.03x = 1,537,253,358.76
  5. Step 5: Solve for x
    x = 1,537,253,358.76/47,776.03
  6. Step 6: Final answer
    x = 32,176.25

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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.