Home / 47,668.98-65,784.96-28,802.46

Finding the Fourth Proportional to 47,668.98, 65,784.96 and 28,802.46

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Solution

The fourth proportional to 47,668.98, 65,784.96 and 28,802.46 is: 39,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.98 : 65,784.96 = 28,802.46 : x
  2. Step 2: Convert to fraction form
    47,668.98/65,784.96 = 28,802.46/x
  3. Step 3: Cross multiply
    47,668.98x = 65,784.96 × 28,802.46
  4. Step 4: Simplify right side
    47,668.98x = 1,894,768,679.00
  5. Step 5: Solve for x
    x = 1,894,768,679.00/47,668.98
  6. Step 6: Final answer
    x = 39,748.46

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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.