Home / 55,341.45-83,001.11-15,889.32

Finding the Fourth Proportional to 55,341.45, 83,001.11 and 15,889.32

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Solution

The fourth proportional to 55,341.45, 83,001.11 and 15,889.32 is: 23,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.45 : 83,001.11 = 15,889.32 : x
  2. Step 2: Convert to fraction form
    55,341.45/83,001.11 = 15,889.32/x
  3. Step 3: Cross multiply
    55,341.45x = 83,001.11 × 15,889.32
  4. Step 4: Simplify right side
    55,341.45x = 1,318,831,117.70
  5. Step 5: Solve for x
    x = 1,318,831,117.70/55,341.45
  6. Step 6: Final answer
    x = 23,830.80

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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.