Home / 37,646.42-56,500.68-18,931.78

Finding the Fourth Proportional to 37,646.42, 56,500.68 and 18,931.78

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Solution

The fourth proportional to 37,646.42, 56,500.68 and 18,931.78 is: 28,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.42 : 56,500.68 = 18,931.78 : x
  2. Step 2: Convert to fraction form
    37,646.42/56,500.68 = 18,931.78/x
  3. Step 3: Cross multiply
    37,646.42x = 56,500.68 × 18,931.78
  4. Step 4: Simplify right side
    37,646.42x = 1,069,658,443.61
  5. Step 5: Solve for x
    x = 1,069,658,443.61/37,646.42
  6. Step 6: Final answer
    x = 28,413.28

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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.