Home / 37,866.09-56,779.19-20,106.71

Finding the Fourth Proportional to 37,866.09, 56,779.19 and 20,106.71

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Solution

The fourth proportional to 37,866.09, 56,779.19 and 20,106.71 is: 30,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.09 : 56,779.19 = 20,106.71 : x
  2. Step 2: Convert to fraction form
    37,866.09/56,779.19 = 20,106.71/x
  3. Step 3: Cross multiply
    37,866.09x = 56,779.19 × 20,106.71
  4. Step 4: Simplify right side
    37,866.09x = 1,141,642,707.36
  5. Step 5: Solve for x
    x = 1,141,642,707.36/37,866.09
  6. Step 6: Final answer
    x = 30,149.47

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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.