Home / 62,609.40-86,405.63-38,749.95

Finding the Fourth Proportional to 62,609.40, 86,405.63 and 38,749.95

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Solution

The fourth proportional to 62,609.40, 86,405.63 and 38,749.95 is: 53,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.40 : 86,405.63 = 38,749.95 : x
  2. Step 2: Convert to fraction form
    62,609.40/86,405.63 = 38,749.95/x
  3. Step 3: Cross multiply
    62,609.40x = 86,405.63 × 38,749.95
  4. Step 4: Simplify right side
    62,609.40x = 3,348,213,648.47
  5. Step 5: Solve for x
    x = 3,348,213,648.47/62,609.40
  6. Step 6: Final answer
    x = 53,477.81

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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.