Home / 37,421.19-51,640.47-20,425.77

Finding the Fourth Proportional to 37,421.19, 51,640.47 and 20,425.77

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Solution

The fourth proportional to 37,421.19, 51,640.47 and 20,425.77 is: 28,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.19 : 51,640.47 = 20,425.77 : x
  2. Step 2: Convert to fraction form
    37,421.19/51,640.47 = 20,425.77/x
  3. Step 3: Cross multiply
    37,421.19x = 51,640.47 × 20,425.77
  4. Step 4: Simplify right side
    37,421.19x = 1,054,796,362.91
  5. Step 5: Solve for x
    x = 1,054,796,362.91/37,421.19
  6. Step 6: Final answer
    x = 28,187.14

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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.