Home / 65,885.44-90,934.40-40,746.24

Finding the Fourth Proportional to 65,885.44, 90,934.40 and 40,746.24

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Solution

The fourth proportional to 65,885.44, 90,934.40 and 40,746.24 is: 56,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,885.44 : 90,934.40 = 40,746.24 : x
  2. Step 2: Convert to fraction form
    65,885.44/90,934.40 = 40,746.24/x
  3. Step 3: Cross multiply
    65,885.44x = 90,934.40 × 40,746.24
  4. Step 4: Simplify right side
    65,885.44x = 3,705,234,886.66
  5. Step 5: Solve for x
    x = 3,705,234,886.66/65,885.44
  6. Step 6: Final answer
    x = 56,237.54

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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.