Home / 37,005.79-55,509.37-12,045.74

Finding the Fourth Proportional to 37,005.79, 55,509.37 and 12,045.74

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Solution

The fourth proportional to 37,005.79, 55,509.37 and 12,045.74 is: 18,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,005.79 : 55,509.37 = 12,045.74 : x
  2. Step 2: Convert to fraction form
    37,005.79/55,509.37 = 12,045.74/x
  3. Step 3: Cross multiply
    37,005.79x = 55,509.37 × 12,045.74
  4. Step 4: Simplify right side
    37,005.79x = 668,651,100.81
  5. Step 5: Solve for x
    x = 668,651,100.81/37,005.79
  6. Step 6: Final answer
    x = 18,068.83

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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.