Home / 52,001.98-71,762.28-28,128.44

Finding the Fourth Proportional to 52,001.98, 71,762.28 and 28,128.44

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Solution

The fourth proportional to 52,001.98, 71,762.28 and 28,128.44 is: 38,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.98 : 71,762.28 = 28,128.44 : x
  2. Step 2: Convert to fraction form
    52,001.98/71,762.28 = 28,128.44/x
  3. Step 3: Cross multiply
    52,001.98x = 71,762.28 × 28,128.44
  4. Step 4: Simplify right side
    52,001.98x = 2,018,560,987.24
  5. Step 5: Solve for x
    x = 2,018,560,987.24/52,001.98
  6. Step 6: Final answer
    x = 38,817.00

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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.