Home / 52,637.70-72,636.93-28,759.62

Finding the Fourth Proportional to 52,637.70, 72,636.93 and 28,759.62

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Solution

The fourth proportional to 52,637.70, 72,636.93 and 28,759.62 is: 39,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.70 : 72,636.93 = 28,759.62 : x
  2. Step 2: Convert to fraction form
    52,637.70/72,636.93 = 28,759.62/x
  3. Step 3: Cross multiply
    52,637.70x = 72,636.93 × 28,759.62
  4. Step 4: Simplify right side
    52,637.70x = 2,089,010,504.77
  5. Step 5: Solve for x
    x = 2,089,010,504.77/52,637.70
  6. Step 6: Final answer
    x = 39,686.58

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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.