Home / 54,833.40-82,271.70-21,547.80

Finding the Fourth Proportional to 54,833.40, 82,271.70 and 21,547.80

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Solution

The fourth proportional to 54,833.40, 82,271.70 and 21,547.80 is: 32,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,833.40 : 82,271.70 = 21,547.80 : x
  2. Step 2: Convert to fraction form
    54,833.40/82,271.70 = 21,547.80/x
  3. Step 3: Cross multiply
    54,833.40x = 82,271.70 × 21,547.80
  4. Step 4: Simplify right side
    54,833.40x = 1,772,774,137.26
  5. Step 5: Solve for x
    x = 1,772,774,137.26/54,833.40
  6. Step 6: Final answer
    x = 32,330.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.