Home / 48,515.19-66,940.83-28,368.16

Finding the Fourth Proportional to 48,515.19, 66,940.83 and 28,368.16

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Solution

The fourth proportional to 48,515.19, 66,940.83 and 28,368.16 is: 39,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.19 : 66,940.83 = 28,368.16 : x
  2. Step 2: Convert to fraction form
    48,515.19/66,940.83 = 28,368.16/x
  3. Step 3: Cross multiply
    48,515.19x = 66,940.83 × 28,368.16
  4. Step 4: Simplify right side
    48,515.19x = 1,898,988,008.62
  5. Step 5: Solve for x
    x = 1,898,988,008.62/48,515.19
  6. Step 6: Final answer
    x = 39,142.14

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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.