Home / 55,005.30-82,499.85-15,566.40

Finding the Fourth Proportional to 55,005.30, 82,499.85 and 15,566.40

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Solution

The fourth proportional to 55,005.30, 82,499.85 and 15,566.40 is: 23,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.30 : 82,499.85 = 15,566.40 : x
  2. Step 2: Convert to fraction form
    55,005.30/82,499.85 = 15,566.40/x
  3. Step 3: Cross multiply
    55,005.30x = 82,499.85 × 15,566.40
  4. Step 4: Simplify right side
    55,005.30x = 1,284,225,665.04
  5. Step 5: Solve for x
    x = 1,284,225,665.04/55,005.30
  6. Step 6: Final answer
    x = 23,347.31

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1.5x scale

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.