Home / 32,001.20-48,001.80-19,559.60

Finding the Fourth Proportional to 32,001.20, 48,001.80 and 19,559.60

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Solution

The fourth proportional to 32,001.20, 48,001.80 and 19,559.60 is: 29,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,001.20 : 48,001.80 = 19,559.60 : x
  2. Step 2: Convert to fraction form
    32,001.20/48,001.80 = 19,559.60/x
  3. Step 3: Cross multiply
    32,001.20x = 48,001.80 × 19,559.60
  4. Step 4: Simplify right side
    32,001.20x = 938,896,007.28
  5. Step 5: Solve for x
    x = 938,896,007.28/32,001.20
  6. Step 6: Final answer
    x = 29,339.40

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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.