Home / 38,666.40-57,999.60-36,362.40

Finding the Fourth Proportional to 38,666.40, 57,999.60 and 36,362.40

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Solution

The fourth proportional to 38,666.40, 57,999.60 and 36,362.40 is: 54,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.40 : 57,999.60 = 36,362.40 : x
  2. Step 2: Convert to fraction form
    38,666.40/57,999.60 = 36,362.40/x
  3. Step 3: Cross multiply
    38,666.40x = 57,999.60 × 36,362.40
  4. Step 4: Simplify right side
    38,666.40x = 2,109,004,655.04
  5. Step 5: Solve for x
    x = 2,109,004,655.04/38,666.40
  6. Step 6: Final answer
    x = 54,543.60

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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.