Home / 48,515.06-66,960.72-28,376.89

Finding the Fourth Proportional to 48,515.06, 66,960.72 and 28,376.89

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Solution

The fourth proportional to 48,515.06, 66,960.72 and 28,376.89 is: 39,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.06 : 66,960.72 = 28,376.89 : x
  2. Step 2: Convert to fraction form
    48,515.06/66,960.72 = 28,376.89/x
  3. Step 3: Cross multiply
    48,515.06x = 66,960.72 × 28,376.89
  4. Step 4: Simplify right side
    48,515.06x = 1,900,136,818.36
  5. Step 5: Solve for x
    x = 1,900,136,818.36/48,515.06
  6. Step 6: Final answer
    x = 39,165.92

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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.