Home / 40,020.90-55,236.48-26,385.01

Finding the Fourth Proportional to 40,020.90, 55,236.48 and 26,385.01

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Solution

The fourth proportional to 40,020.90, 55,236.48 and 26,385.01 is: 36,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.90 : 55,236.48 = 26,385.01 : x
  2. Step 2: Convert to fraction form
    40,020.90/55,236.48 = 26,385.01/x
  3. Step 3: Cross multiply
    40,020.90x = 55,236.48 × 26,385.01
  4. Step 4: Simplify right side
    40,020.90x = 1,457,414,988.55
  5. Step 5: Solve for x
    x = 1,457,414,988.55/40,020.90
  6. Step 6: Final answer
    x = 36,416.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.