Home / 48,507.90-66,927.75-28,369.74

Finding the Fourth Proportional to 48,507.90, 66,927.75 and 28,369.74

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Solution

The fourth proportional to 48,507.90, 66,927.75 and 28,369.74 is: 39,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.90 : 66,927.75 = 28,369.74 : x
  2. Step 2: Convert to fraction form
    48,507.90/66,927.75 = 28,369.74/x
  3. Step 3: Cross multiply
    48,507.90x = 66,927.75 × 28,369.74
  4. Step 4: Simplify right side
    48,507.90x = 1,898,722,866.29
  5. Step 5: Solve for x
    x = 1,898,722,866.29/48,507.90
  6. Step 6: Final answer
    x = 39,142.55

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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.