Home / 56,896.58-78,516.88-31,402.94

Finding the Fourth Proportional to 56,896.58, 78,516.88 and 31,402.94

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Solution

The fourth proportional to 56,896.58, 78,516.88 and 31,402.94 is: 43,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,896.58 : 78,516.88 = 31,402.94 : x
  2. Step 2: Convert to fraction form
    56,896.58/78,516.88 = 31,402.94/x
  3. Step 3: Cross multiply
    56,896.58x = 78,516.88 × 31,402.94
  4. Step 4: Simplify right side
    56,896.58x = 2,465,660,842.19
  5. Step 5: Solve for x
    x = 2,465,660,842.19/56,896.58
  6. Step 6: Final answer
    x = 43,335.84

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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.