Home / 37,306.76-51,482.70-21,390.26

Finding the Fourth Proportional to 37,306.76, 51,482.70 and 21,390.26

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Solution

The fourth proportional to 37,306.76, 51,482.70 and 21,390.26 is: 29,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,306.76 : 51,482.70 = 21,390.26 : x
  2. Step 2: Convert to fraction form
    37,306.76/51,482.70 = 21,390.26/x
  3. Step 3: Cross multiply
    37,306.76x = 51,482.70 × 21,390.26
  4. Step 4: Simplify right side
    37,306.76x = 1,101,228,081.09
  5. Step 5: Solve for x
    x = 1,101,228,081.09/37,306.76
  6. Step 6: Final answer
    x = 29,518.20

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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.