Home / 21,353.79-32,030.87-19,746.75

Finding the Fourth Proportional to 21,353.79, 32,030.87 and 19,746.75

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Solution

The fourth proportional to 21,353.79, 32,030.87 and 19,746.75 is: 29,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.79 : 32,030.87 = 19,746.75 : x
  2. Step 2: Convert to fraction form
    21,353.79/32,030.87 = 19,746.75/x
  3. Step 3: Cross multiply
    21,353.79x = 32,030.87 × 19,746.75
  4. Step 4: Simplify right side
    21,353.79x = 632,505,483.44
  5. Step 5: Solve for x
    x = 632,505,483.44/21,353.79
  6. Step 6: Final answer
    x = 29,620.29

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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.