Home / 40,071.86-55,303.28-23,076.74

Finding the Fourth Proportional to 40,071.86, 55,303.28 and 23,076.74

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Solution

The fourth proportional to 40,071.86, 55,303.28 and 23,076.74 is: 31,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.86 : 55,303.28 = 23,076.74 : x
  2. Step 2: Convert to fraction form
    40,071.86/55,303.28 = 23,076.74/x
  3. Step 3: Cross multiply
    40,071.86x = 55,303.28 × 23,076.74
  4. Step 4: Simplify right side
    40,071.86x = 1,276,219,609.66
  5. Step 5: Solve for x
    x = 1,276,219,609.66/40,071.86
  6. Step 6: Final answer
    x = 31,848.28

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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.