Home / 29,697.12-40,925.44-21,741.76

Finding the Fourth Proportional to 29,697.12, 40,925.44 and 21,741.76

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Solution

The fourth proportional to 29,697.12, 40,925.44 and 21,741.76 is: 29,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.12 : 40,925.44 = 21,741.76 : x
  2. Step 2: Convert to fraction form
    29,697.12/40,925.44 = 21,741.76/x
  3. Step 3: Cross multiply
    29,697.12x = 40,925.44 × 21,741.76
  4. Step 4: Simplify right side
    29,697.12x = 889,791,094.37
  5. Step 5: Solve for x
    x = 889,791,094.37/29,697.12
  6. Step 6: Final answer
    x = 29,962.20

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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.