Home / 36,985.70-51,027.80-21,058.88

Finding the Fourth Proportional to 36,985.70, 51,027.80 and 21,058.88

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Solution

The fourth proportional to 36,985.70, 51,027.80 and 21,058.88 is: 29,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.70 : 51,027.80 = 21,058.88 : x
  2. Step 2: Convert to fraction form
    36,985.70/51,027.80 = 21,058.88/x
  3. Step 3: Cross multiply
    36,985.70x = 51,027.80 × 21,058.88
  4. Step 4: Simplify right side
    36,985.70x = 1,074,588,316.86
  5. Step 5: Solve for x
    x = 1,074,588,316.86/36,985.70
  6. Step 6: Final answer
    x = 29,054.16

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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.