Home / 51,608.13-71,215.77-28,946.89

Finding the Fourth Proportional to 51,608.13, 71,215.77 and 28,946.89

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Solution

The fourth proportional to 51,608.13, 71,215.77 and 28,946.89 is: 39,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.13 : 71,215.77 = 28,946.89 : x
  2. Step 2: Convert to fraction form
    51,608.13/71,215.77 = 28,946.89/x
  3. Step 3: Cross multiply
    51,608.13x = 71,215.77 × 28,946.89
  4. Step 4: Simplify right side
    51,608.13x = 2,061,475,060.46
  5. Step 5: Solve for x
    x = 2,061,475,060.46/51,608.13
  6. Step 6: Final answer
    x = 39,944.77

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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.