Home / 36,788.40-55,143.09-14,570.91

Finding the Fourth Proportional to 36,788.40, 55,143.09 and 14,570.91

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Solution

The fourth proportional to 36,788.40, 55,143.09 and 14,570.91 is: 21,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.40 : 55,143.09 = 14,570.91 : x
  2. Step 2: Convert to fraction form
    36,788.40/55,143.09 = 14,570.91/x
  3. Step 3: Cross multiply
    36,788.40x = 55,143.09 × 14,570.91
  4. Step 4: Simplify right side
    36,788.40x = 803,485,001.51
  5. Step 5: Solve for x
    x = 803,485,001.51/36,788.40
  6. Step 6: Final answer
    x = 21,840.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.