Home / 21,552,025.80-32,328,038.70-20,701,720.20

Finding the Fourth Proportional to 21,552,025.80, 32,328,038.70 and 20,701,720.20

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Solution

The fourth proportional to 21,552,025.80, 32,328,038.70 and 20,701,720.20 is: 31,052,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,025.80 : 32,328,038.70 = 20,701,720.20 : x
  2. Step 2: Convert to fraction form
    21,552,025.80/32,328,038.70 = 20,701,720.20/x
  3. Step 3: Cross multiply
    21,552,025.80x = 32,328,038.70 × 20,701,720.20
  4. Step 4: Simplify right side
    21,552,025.80x = 669,246,011,782,171.75
  5. Step 5: Solve for x
    x = 669,246,011,782,171.75/21,552,025.80
  6. Step 6: Final answer
    x = 31,052,580.30

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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.