Home / 37,778.11-56,557.67-28,457.37

Finding the Fourth Proportional to 37,778.11, 56,557.67 and 28,457.37

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Solution

The fourth proportional to 37,778.11, 56,557.67 and 28,457.37 is: 42,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.11 : 56,557.67 = 28,457.37 : x
  2. Step 2: Convert to fraction form
    37,778.11/56,557.67 = 28,457.37/x
  3. Step 3: Cross multiply
    37,778.11x = 56,557.67 × 28,457.37
  4. Step 4: Simplify right side
    37,778.11x = 1,609,482,541.53
  5. Step 5: Solve for x
    x = 1,609,482,541.53/37,778.11
  6. Step 6: Final answer
    x = 42,603.57

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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.