Home / 38,583.02-53,242.40-21,583.98

Finding the Fourth Proportional to 38,583.02, 53,242.40 and 21,583.98

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Solution

The fourth proportional to 38,583.02, 53,242.40 and 21,583.98 is: 29,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.02 : 53,242.40 = 21,583.98 : x
  2. Step 2: Convert to fraction form
    38,583.02/53,242.40 = 21,583.98/x
  3. Step 3: Cross multiply
    38,583.02x = 53,242.40 × 21,583.98
  4. Step 4: Simplify right side
    38,583.02x = 1,149,182,896.75
  5. Step 5: Solve for x
    x = 1,149,182,896.75/38,583.02
  6. Step 6: Final answer
    x = 29,784.68

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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.