Home / 37,417.49-51,634.52-20,421.31

Finding the Fourth Proportional to 37,417.49, 51,634.52 and 20,421.31

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Solution

The fourth proportional to 37,417.49, 51,634.52 and 20,421.31 is: 28,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.49 : 51,634.52 = 20,421.31 : x
  2. Step 2: Convert to fraction form
    37,417.49/51,634.52 = 20,421.31/x
  3. Step 3: Cross multiply
    37,417.49x = 51,634.52 × 20,421.31
  4. Step 4: Simplify right side
    37,417.49x = 1,054,444,281.45
  5. Step 5: Solve for x
    x = 1,054,444,281.45/37,417.49
  6. Step 6: Final answer
    x = 28,180.52

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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.