Home / 34,669.60-52,004.40-21,479.20

Finding the Fourth Proportional to 34,669.60, 52,004.40 and 21,479.20

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Solution

The fourth proportional to 34,669.60, 52,004.40 and 21,479.20 is: 32,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,669.60 : 52,004.40 = 21,479.20 : x
  2. Step 2: Convert to fraction form
    34,669.60/52,004.40 = 21,479.20/x
  3. Step 3: Cross multiply
    34,669.60x = 52,004.40 × 21,479.20
  4. Step 4: Simplify right side
    34,669.60x = 1,117,012,908.48
  5. Step 5: Solve for x
    x = 1,117,012,908.48/34,669.60
  6. Step 6: Final answer
    x = 32,218.80

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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.