Home / 55,770.95-83,638.67-18,322.34

Finding the Fourth Proportional to 55,770.95, 83,638.67 and 18,322.34

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Solution

The fourth proportional to 55,770.95, 83,638.67 and 18,322.34 is: 27,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.95 : 83,638.67 = 18,322.34 : x
  2. Step 2: Convert to fraction form
    55,770.95/83,638.67 = 18,322.34/x
  3. Step 3: Cross multiply
    55,770.95x = 83,638.67 × 18,322.34
  4. Step 4: Simplify right side
    55,770.95x = 1,532,455,639.08
  5. Step 5: Solve for x
    x = 1,532,455,639.08/55,770.95
  6. Step 6: Final answer
    x = 27,477.67

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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.