Home / 38,303.40-57,455.10-35,999.40

Finding the Fourth Proportional to 38,303.40, 57,455.10 and 35,999.40

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Solution

The fourth proportional to 38,303.40, 57,455.10 and 35,999.40 is: 53,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.40 : 57,455.10 = 35,999.40 : x
  2. Step 2: Convert to fraction form
    38,303.40/57,455.10 = 35,999.40/x
  3. Step 3: Cross multiply
    38,303.40x = 57,455.10 × 35,999.40
  4. Step 4: Simplify right side
    38,303.40x = 2,068,349,126.94
  5. Step 5: Solve for x
    x = 2,068,349,126.94/38,303.40
  6. Step 6: Final answer
    x = 53,999.10

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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.