Home / 71,043.48-98,038.35-39,213.72

Finding the Fourth Proportional to 71,043.48, 98,038.35 and 39,213.72

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Solution

The fourth proportional to 71,043.48, 98,038.35 and 39,213.72 is: 54,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.48 : 98,038.35 = 39,213.72 : x
  2. Step 2: Convert to fraction form
    71,043.48/98,038.35 = 39,213.72/x
  3. Step 3: Cross multiply
    71,043.48x = 98,038.35 × 39,213.72
  4. Step 4: Simplify right side
    71,043.48x = 3,844,448,406.16
  5. Step 5: Solve for x
    x = 3,844,448,406.16/71,043.48
  6. Step 6: Final answer
    x = 54,114.02

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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.