Home / 51,080.12-76,620.74-15,547.21

Finding the Fourth Proportional to 51,080.12, 76,620.74 and 15,547.21

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Solution

The fourth proportional to 51,080.12, 76,620.74 and 15,547.21 is: 23,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,080.12 : 76,620.74 = 15,547.21 : x
  2. Step 2: Convert to fraction form
    51,080.12/76,620.74 = 15,547.21/x
  3. Step 3: Cross multiply
    51,080.12x = 76,620.74 × 15,547.21
  4. Step 4: Simplify right side
    51,080.12x = 1,191,238,465.85
  5. Step 5: Solve for x
    x = 1,191,238,465.85/51,080.12
  6. Step 6: Final answer
    x = 23,320.98

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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.