Home / 45,141.09-67,686.30-30,925.62

Finding the Fourth Proportional to 45,141.09, 67,686.30 and 30,925.62

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Solution

The fourth proportional to 45,141.09, 67,686.30 and 30,925.62 is: 46,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.09 : 67,686.30 = 30,925.62 : x
  2. Step 2: Convert to fraction form
    45,141.09/67,686.30 = 30,925.62/x
  3. Step 3: Cross multiply
    45,141.09x = 67,686.30 × 30,925.62
  4. Step 4: Simplify right side
    45,141.09x = 2,093,240,870.32
  5. Step 5: Solve for x
    x = 2,093,240,870.32/45,141.09
  6. Step 6: Final answer
    x = 46,371.08

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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.