Home / 48,535.72-66,960.69-30,130.20

Finding the Fourth Proportional to 48,535.72, 66,960.69 and 30,130.20

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Solution

The fourth proportional to 48,535.72, 66,960.69 and 30,130.20 is: 41,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.72 : 66,960.69 = 30,130.20 : x
  2. Step 2: Convert to fraction form
    48,535.72/66,960.69 = 30,130.20/x
  3. Step 3: Cross multiply
    48,535.72x = 66,960.69 × 30,130.20
  4. Step 4: Simplify right side
    48,535.72x = 2,017,538,628.14
  5. Step 5: Solve for x
    x = 2,017,538,628.14/48,535.72
  6. Step 6: Final answer
    x = 41,568.12

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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.