Home / 61,854.34-85,403.37-38,012.98

Finding the Fourth Proportional to 61,854.34, 85,403.37 and 38,012.98

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Solution

The fourth proportional to 61,854.34, 85,403.37 and 38,012.98 is: 52,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,854.34 : 85,403.37 = 38,012.98 : x
  2. Step 2: Convert to fraction form
    61,854.34/85,403.37 = 38,012.98/x
  3. Step 3: Cross multiply
    61,854.34x = 85,403.37 × 38,012.98
  4. Step 4: Simplify right side
    61,854.34x = 3,246,436,595.74
  5. Step 5: Solve for x
    x = 3,246,436,595.74/61,854.34
  6. Step 6: Final answer
    x = 52,485.19

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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.