Home / 37,710.87-56,578.60-17,986.86

Finding the Fourth Proportional to 37,710.87, 56,578.60 and 17,986.86

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Solution

The fourth proportional to 37,710.87, 56,578.60 and 17,986.86 is: 26,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,710.87 : 56,578.60 = 17,986.86 : x
  2. Step 2: Convert to fraction form
    37,710.87/56,578.60 = 17,986.86/x
  3. Step 3: Cross multiply
    37,710.87x = 56,578.60 × 17,986.86
  4. Step 4: Simplify right side
    37,710.87x = 1,017,671,431.19
  5. Step 5: Solve for x
    x = 1,017,671,431.19/37,710.87
  6. Step 6: Final answer
    x = 26,986.15

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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.