Home / 55,539.63-76,564.97-39,596.40

Finding the Fourth Proportional to 55,539.63, 76,564.97 and 39,596.40

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Solution

The fourth proportional to 55,539.63, 76,564.97 and 39,596.40 is: 54,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.63 : 76,564.97 = 39,596.40 : x
  2. Step 2: Convert to fraction form
    55,539.63/76,564.97 = 39,596.40/x
  3. Step 3: Cross multiply
    55,539.63x = 76,564.97 × 39,596.40
  4. Step 4: Simplify right side
    55,539.63x = 3,031,696,980.13
  5. Step 5: Solve for x
    x = 3,031,696,980.13/55,539.63
  6. Step 6: Final answer
    x = 54,586.19

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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.