Home / 45,071.80-67,618.77-15,490.06

Finding the Fourth Proportional to 45,071.80, 67,618.77 and 15,490.06

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Solution

The fourth proportional to 45,071.80, 67,618.77 and 15,490.06 is: 23,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.80 : 67,618.77 = 15,490.06 : x
  2. Step 2: Convert to fraction form
    45,071.80/67,618.77 = 15,490.06/x
  3. Step 3: Cross multiply
    45,071.80x = 67,618.77 × 15,490.06
  4. Step 4: Simplify right side
    45,071.80x = 1,047,418,804.43
  5. Step 5: Solve for x
    x = 1,047,418,804.43/45,071.80
  6. Step 6: Final answer
    x = 23,238.89

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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.