Home / 40,071.12-60,108.06-13,775.64

Finding the Fourth Proportional to 40,071.12, 60,108.06 and 13,775.64

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Solution

The fourth proportional to 40,071.12, 60,108.06 and 13,775.64 is: 20,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.12 : 60,108.06 = 13,775.64 : x
  2. Step 2: Convert to fraction form
    40,071.12/60,108.06 = 13,775.64/x
  3. Step 3: Cross multiply
    40,071.12x = 60,108.06 × 13,775.64
  4. Step 4: Simplify right side
    40,071.12x = 828,026,995.66
  5. Step 5: Solve for x
    x = 828,026,995.66/40,071.12
  6. Step 6: Final answer
    x = 20,663.93

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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.