Home / 55,841.38-83,762.07-18,902.50

Finding the Fourth Proportional to 55,841.38, 83,762.07 and 18,902.50

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Solution

The fourth proportional to 55,841.38, 83,762.07 and 18,902.50 is: 28,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.38 : 83,762.07 = 18,902.50 : x
  2. Step 2: Convert to fraction form
    55,841.38/83,762.07 = 18,902.50/x
  3. Step 3: Cross multiply
    55,841.38x = 83,762.07 × 18,902.50
  4. Step 4: Simplify right side
    55,841.38x = 1,583,312,528.18
  5. Step 5: Solve for x
    x = 1,583,312,528.18/55,841.38
  6. Step 6: Final answer
    x = 28,353.75

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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.