Home / 48,021.60-72,032.40-12,964.80

Finding the Fourth Proportional to 48,021.60, 72,032.40 and 12,964.80

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Solution

The fourth proportional to 48,021.60, 72,032.40 and 12,964.80 is: 19,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.60 : 72,032.40 = 12,964.80 : x
  2. Step 2: Convert to fraction form
    48,021.60/72,032.40 = 12,964.80/x
  3. Step 3: Cross multiply
    48,021.60x = 72,032.40 × 12,964.80
  4. Step 4: Simplify right side
    48,021.60x = 933,885,659.52
  5. Step 5: Solve for x
    x = 933,885,659.52/48,021.60
  6. Step 6: Final answer
    x = 19,447.20

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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.