Home / 32,001.20-48,001.80-21,503.60

Finding the Fourth Proportional to 32,001.20, 48,001.80 and 21,503.60

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Solution

The fourth proportional to 32,001.20, 48,001.80 and 21,503.60 is: 32,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,001.20 : 48,001.80 = 21,503.60 : x
  2. Step 2: Convert to fraction form
    32,001.20/48,001.80 = 21,503.60/x
  3. Step 3: Cross multiply
    32,001.20x = 48,001.80 × 21,503.60
  4. Step 4: Simplify right side
    32,001.20x = 1,032,211,506.48
  5. Step 5: Solve for x
    x = 1,032,211,506.48/32,001.20
  6. Step 6: Final answer
    x = 32,255.40

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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.