Home / 37,658.12-56,503.13-18,928.29

Finding the Fourth Proportional to 37,658.12, 56,503.13 and 18,928.29

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Solution

The fourth proportional to 37,658.12, 56,503.13 and 18,928.29 is: 28,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.12 : 56,503.13 = 18,928.29 : x
  2. Step 2: Convert to fraction form
    37,658.12/56,503.13 = 18,928.29/x
  3. Step 3: Cross multiply
    37,658.12x = 56,503.13 × 18,928.29
  4. Step 4: Simplify right side
    37,658.12x = 1,069,507,630.55
  5. Step 5: Solve for x
    x = 1,069,507,630.55/37,658.12
  6. Step 6: Final answer
    x = 28,400.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.