Home / 37,133.51-51,243.54-21,000.53

Finding the Fourth Proportional to 37,133.51, 51,243.54 and 21,000.53

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Solution

The fourth proportional to 37,133.51, 51,243.54 and 21,000.53 is: 28,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,133.51 : 51,243.54 = 21,000.53 : x
  2. Step 2: Convert to fraction form
    37,133.51/51,243.54 = 21,000.53/x
  3. Step 3: Cross multiply
    37,133.51x = 51,243.54 × 21,000.53
  4. Step 4: Simplify right side
    37,133.51x = 1,076,141,548.43
  5. Step 5: Solve for x
    x = 1,076,141,548.43/37,133.51
  6. Step 6: Final answer
    x = 28,980.34

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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.