Home / 34,637.60-51,956.40-21,447.20

Finding the Fourth Proportional to 34,637.60, 51,956.40 and 21,447.20

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Solution

The fourth proportional to 34,637.60, 51,956.40 and 21,447.20 is: 32,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,637.60 : 51,956.40 = 21,447.20 : x
  2. Step 2: Convert to fraction form
    34,637.60/51,956.40 = 21,447.20/x
  3. Step 3: Cross multiply
    34,637.60x = 51,956.40 × 21,447.20
  4. Step 4: Simplify right side
    34,637.60x = 1,114,319,302.08
  5. Step 5: Solve for x
    x = 1,114,319,302.08/34,637.60
  6. Step 6: Final answer
    x = 32,170.80

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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.