Home / 45,107.08-62,218.74-30,967.72

Finding the Fourth Proportional to 45,107.08, 62,218.74 and 30,967.72

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Solution

The fourth proportional to 45,107.08, 62,218.74 and 30,967.72 is: 42,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.08 : 62,218.74 = 30,967.72 : x
  2. Step 2: Convert to fraction form
    45,107.08/62,218.74 = 30,967.72/x
  3. Step 3: Cross multiply
    45,107.08x = 62,218.74 × 30,967.72
  4. Step 4: Simplify right side
    45,107.08x = 1,926,772,519.07
  5. Step 5: Solve for x
    x = 1,926,772,519.07/45,107.08
  6. Step 6: Final answer
    x = 42,715.52

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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.