Home / 48,511.48-66,963.54-30,618.16

Finding the Fourth Proportional to 48,511.48, 66,963.54 and 30,618.16

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Solution

The fourth proportional to 48,511.48, 66,963.54 and 30,618.16 is: 42,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511.48 : 66,963.54 = 30,618.16 : x
  2. Step 2: Convert to fraction form
    48,511.48/66,963.54 = 30,618.16/x
  3. Step 3: Cross multiply
    48,511.48x = 66,963.54 × 30,618.16
  4. Step 4: Simplify right side
    48,511.48x = 2,050,300,381.89
  5. Step 5: Solve for x
    x = 2,050,300,381.89/48,511.48
  6. Step 6: Final answer
    x = 42,264.23

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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.