Home / 45,558.40-68,337.60-27,971.20

Finding the Fourth Proportional to 45,558.40, 68,337.60 and 27,971.20

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Solution

The fourth proportional to 45,558.40, 68,337.60 and 27,971.20 is: 41,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.40 : 68,337.60 = 27,971.20 : x
  2. Step 2: Convert to fraction form
    45,558.40/68,337.60 = 27,971.20/x
  3. Step 3: Cross multiply
    45,558.40x = 68,337.60 × 27,971.20
  4. Step 4: Simplify right side
    45,558.40x = 1,911,484,677.12
  5. Step 5: Solve for x
    x = 1,911,484,677.12/45,558.40
  6. Step 6: Final answer
    x = 41,956.80

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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.