Home / 48,239.36-66,516.72-30,312.80

Finding the Fourth Proportional to 48,239.36, 66,516.72 and 30,312.80

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Solution

The fourth proportional to 48,239.36, 66,516.72 and 30,312.80 is: 41,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,239.36 : 66,516.72 = 30,312.80 : x
  2. Step 2: Convert to fraction form
    48,239.36/66,516.72 = 30,312.80/x
  3. Step 3: Cross multiply
    48,239.36x = 66,516.72 × 30,312.80
  4. Step 4: Simplify right side
    48,239.36x = 2,016,308,030.02
  5. Step 5: Solve for x
    x = 2,016,308,030.02/48,239.36
  6. Step 6: Final answer
    x = 41,797.98

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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.