Home / 71,327.64-98,430.93-39,495.85

Finding the Fourth Proportional to 71,327.64, 98,430.93 and 39,495.85

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Solution

The fourth proportional to 71,327.64, 98,430.93 and 39,495.85 is: 54,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.64 : 98,430.93 = 39,495.85 : x
  2. Step 2: Convert to fraction form
    71,327.64/98,430.93 = 39,495.85/x
  3. Step 3: Cross multiply
    71,327.64x = 98,430.93 × 39,495.85
  4. Step 4: Simplify right side
    71,327.64x = 3,887,613,345.38
  5. Step 5: Solve for x
    x = 3,887,613,345.38/71,327.64
  6. Step 6: Final answer
    x = 54,503.61

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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.