Home / 51,632.40-77,382.99-28,231.50

Finding the Fourth Proportional to 51,632.40, 77,382.99 and 28,231.50

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Solution

The fourth proportional to 51,632.40, 77,382.99 and 28,231.50 is: 42,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,632.40 : 77,382.99 = 28,231.50 : x
  2. Step 2: Convert to fraction form
    51,632.40/77,382.99 = 28,231.50/x
  3. Step 3: Cross multiply
    51,632.40x = 77,382.99 × 28,231.50
  4. Step 4: Simplify right side
    51,632.40x = 2,184,637,741.03
  5. Step 5: Solve for x
    x = 2,184,637,741.03/51,632.40
  6. Step 6: Final answer
    x = 42,311.37

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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.