Home / 57,439.98-86,071.95-38,650.50

Finding the Fourth Proportional to 57,439.98, 86,071.95 and 38,650.50

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Solution

The fourth proportional to 57,439.98, 86,071.95 and 38,650.50 is: 57,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.98 : 86,071.95 = 38,650.50 : x
  2. Step 2: Convert to fraction form
    57,439.98/86,071.95 = 38,650.50/x
  3. Step 3: Cross multiply
    57,439.98x = 86,071.95 × 38,650.50
  4. Step 4: Simplify right side
    57,439.98x = 3,326,723,903.48
  5. Step 5: Solve for x
    x = 3,326,723,903.48/57,439.98
  6. Step 6: Final answer
    x = 57,916.52

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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.