Home / 58,538.84-80,728.76-38,858.52

Finding the Fourth Proportional to 58,538.84, 80,728.76 and 38,858.52

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Solution

The fourth proportional to 58,538.84, 80,728.76 and 38,858.52 is: 53,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,538.84 : 80,728.76 = 38,858.52 : x
  2. Step 2: Convert to fraction form
    58,538.84/80,728.76 = 38,858.52/x
  3. Step 3: Cross multiply
    58,538.84x = 80,728.76 × 38,858.52
  4. Step 4: Simplify right side
    58,538.84x = 3,137,000,135.04
  5. Step 5: Solve for x
    x = 3,137,000,135.04/58,538.84
  6. Step 6: Final answer
    x = 53,588.35

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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.