Home / 62,782.98-86,656.95-38,896.08

Finding the Fourth Proportional to 62,782.98, 86,656.95 and 38,896.08

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Solution

The fourth proportional to 62,782.98, 86,656.95 and 38,896.08 is: 53,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,782.98 : 86,656.95 = 38,896.08 : x
  2. Step 2: Convert to fraction form
    62,782.98/86,656.95 = 38,896.08/x
  3. Step 3: Cross multiply
    62,782.98x = 86,656.95 × 38,896.08
  4. Step 4: Simplify right side
    62,782.98x = 3,370,615,659.76
  5. Step 5: Solve for x
    x = 3,370,615,659.76/62,782.98
  6. Step 6: Final answer
    x = 53,686.77

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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.