Home / 53,283.35-79,848.74-39,132.38

Finding the Fourth Proportional to 53,283.35, 79,848.74 and 39,132.38

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Solution

The fourth proportional to 53,283.35, 79,848.74 and 39,132.38 is: 58,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,283.35 : 79,848.74 = 39,132.38 : x
  2. Step 2: Convert to fraction form
    53,283.35/79,848.74 = 39,132.38/x
  3. Step 3: Cross multiply
    53,283.35x = 79,848.74 × 39,132.38
  4. Step 4: Simplify right side
    53,283.35x = 3,124,670,641.30
  5. Step 5: Solve for x
    x = 3,124,670,641.30/53,283.35
  6. Step 6: Final answer
    x = 58,642.54

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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.