Home / 38,830.17-53,681.13-38,474.96

Finding the Fourth Proportional to 38,830.17, 53,681.13 and 38,474.96

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Solution

The fourth proportional to 38,830.17, 53,681.13 and 38,474.96 is: 53,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.17 : 53,681.13 = 38,474.96 : x
  2. Step 2: Convert to fraction form
    38,830.17/53,681.13 = 38,474.96/x
  3. Step 3: Cross multiply
    38,830.17x = 53,681.13 × 38,474.96
  4. Step 4: Simplify right side
    38,830.17x = 2,065,379,136.59
  5. Step 5: Solve for x
    x = 2,065,379,136.59/38,830.17
  6. Step 6: Final answer
    x = 53,190.06

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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.