Home / 55,946.89-83,920.20-39,380.77

Finding the Fourth Proportional to 55,946.89, 83,920.20 and 39,380.77

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Solution

The fourth proportional to 55,946.89, 83,920.20 and 39,380.77 is: 59,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,946.89 : 83,920.20 = 39,380.77 : x
  2. Step 2: Convert to fraction form
    55,946.89/83,920.20 = 39,380.77/x
  3. Step 3: Cross multiply
    55,946.89x = 83,920.20 × 39,380.77
  4. Step 4: Simplify right side
    55,946.89x = 3,304,842,094.55
  5. Step 5: Solve for x
    x = 3,304,842,094.55/55,946.89
  6. Step 6: Final answer
    x = 59,071.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.