Home / 43,036.94-64,122.85-40,619.72

Finding the Fourth Proportional to 43,036.94, 64,122.85 and 40,619.72

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Solution

The fourth proportional to 43,036.94, 64,122.85 and 40,619.72 is: 60,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.94 : 64,122.85 = 40,619.72 : x
  2. Step 2: Convert to fraction form
    43,036.94/64,122.85 = 40,619.72/x
  3. Step 3: Cross multiply
    43,036.94x = 64,122.85 × 40,619.72
  4. Step 4: Simplify right side
    43,036.94x = 2,604,652,212.60
  5. Step 5: Solve for x
    x = 2,604,652,212.60/43,036.94
  6. Step 6: Final answer
    x = 60,521.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.