Home / 55,007.10-82,510.65-13,454.10

Finding the Fourth Proportional to 55,007.10, 82,510.65 and 13,454.10

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Solution

The fourth proportional to 55,007.10, 82,510.65 and 13,454.10 is: 20,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.10 : 82,510.65 = 13,454.10 : x
  2. Step 2: Convert to fraction form
    55,007.10/82,510.65 = 13,454.10/x
  3. Step 3: Cross multiply
    55,007.10x = 82,510.65 × 13,454.10
  4. Step 4: Simplify right side
    55,007.10x = 1,110,106,536.17
  5. Step 5: Solve for x
    x = 1,110,106,536.17/55,007.10
  6. Step 6: Final answer
    x = 20,181.15

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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.