Home / 61,029.08-84,220.26-34,172.72

Finding the Fourth Proportional to 61,029.08, 84,220.26 and 34,172.72

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Solution

The fourth proportional to 61,029.08, 84,220.26 and 34,172.72 is: 47,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,029.08 : 84,220.26 = 34,172.72 : x
  2. Step 2: Convert to fraction form
    61,029.08/84,220.26 = 34,172.72/x
  3. Step 3: Cross multiply
    61,029.08x = 84,220.26 × 34,172.72
  4. Step 4: Simplify right side
    61,029.08x = 2,878,035,129.88
  5. Step 5: Solve for x
    x = 2,878,035,129.88/61,029.08
  6. Step 6: Final answer
    x = 47,158.42

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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.