Home / 57,124.58-78,834.40-31,630.95

Finding the Fourth Proportional to 57,124.58, 78,834.40 and 31,630.95

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Solution

The fourth proportional to 57,124.58, 78,834.40 and 31,630.95 is: 43,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.58 : 78,834.40 = 31,630.95 : x
  2. Step 2: Convert to fraction form
    57,124.58/78,834.40 = 31,630.95/x
  3. Step 3: Cross multiply
    57,124.58x = 78,834.40 × 31,630.95
  4. Step 4: Simplify right side
    57,124.58x = 2,493,606,885.60
  5. Step 5: Solve for x
    x = 2,493,606,885.60/57,124.58
  6. Step 6: Final answer
    x = 43,652.08

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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.