Home / 37,221.24-51,368.46-20,457.72

Finding the Fourth Proportional to 37,221.24, 51,368.46 and 20,457.72

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Solution

The fourth proportional to 37,221.24, 51,368.46 and 20,457.72 is: 28,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.24 : 51,368.46 = 20,457.72 : x
  2. Step 2: Convert to fraction form
    37,221.24/51,368.46 = 20,457.72/x
  3. Step 3: Cross multiply
    37,221.24x = 51,368.46 × 20,457.72
  4. Step 4: Simplify right side
    37,221.24x = 1,050,881,571.51
  5. Step 5: Solve for x
    x = 1,050,881,571.51/37,221.24
  6. Step 6: Final answer
    x = 28,233.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.