Home / 37,146.48-51,261.36-21,013.50

Finding the Fourth Proportional to 37,146.48, 51,261.36 and 21,013.50

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Solution

The fourth proportional to 37,146.48, 51,261.36 and 21,013.50 is: 28,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,146.48 : 51,261.36 = 21,013.50 : x
  2. Step 2: Convert to fraction form
    37,146.48/51,261.36 = 21,013.50/x
  3. Step 3: Cross multiply
    37,146.48x = 51,261.36 × 21,013.50
  4. Step 4: Simplify right side
    37,146.48x = 1,077,180,588.36
  5. Step 5: Solve for x
    x = 1,077,180,588.36/37,146.48
  6. Step 6: Final answer
    x = 28,998.19

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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.