Home / 37,389-51,597.90-20,623.08

Finding the Fourth Proportional to 37,389, 51,597.90 and 20,623.08

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Solution

The fourth proportional to 37,389, 51,597.90 and 20,623.08 is: 28,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389 : 51,597.90 = 20,623.08 : x
  2. Step 2: Convert to fraction form
    37,389/51,597.90 = 20,623.08/x
  3. Step 3: Cross multiply
    37,389x = 51,597.90 × 20,623.08
  4. Step 4: Simplify right side
    37,389x = 1,064,107,619.53
  5. Step 5: Solve for x
    x = 1,064,107,619.53/37,389
  6. Step 6: Final answer
    x = 28,460.45

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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.