Home / 56,886.76-85,376.64-40,262.98

Finding the Fourth Proportional to 56,886.76, 85,376.64 and 40,262.98

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Solution

The fourth proportional to 56,886.76, 85,376.64 and 40,262.98 is: 60,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.76 : 85,376.64 = 40,262.98 : x
  2. Step 2: Convert to fraction form
    56,886.76/85,376.64 = 40,262.98/x
  3. Step 3: Cross multiply
    56,886.76x = 85,376.64 × 40,262.98
  4. Step 4: Simplify right side
    56,886.76x = 3,437,517,948.79
  5. Step 5: Solve for x
    x = 3,437,517,948.79/56,886.76
  6. Step 6: Final answer
    x = 60,427.38

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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.