Home / 58,623.75-80,967.60-39,728.07

Finding the Fourth Proportional to 58,623.75, 80,967.60 and 39,728.07

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Solution

The fourth proportional to 58,623.75, 80,967.60 and 39,728.07 is: 54,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.75 : 80,967.60 = 39,728.07 : x
  2. Step 2: Convert to fraction form
    58,623.75/80,967.60 = 39,728.07/x
  3. Step 3: Cross multiply
    58,623.75x = 80,967.60 × 39,728.07
  4. Step 4: Simplify right side
    58,623.75x = 3,216,686,480.53
  5. Step 5: Solve for x
    x = 3,216,686,480.53/58,623.75
  6. Step 6: Final answer
    x = 54,870.02

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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.