Home / 56,448.94-77,900.44-30,957.64

Finding the Fourth Proportional to 56,448.94, 77,900.44 and 30,957.64

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Solution

The fourth proportional to 56,448.94, 77,900.44 and 30,957.64 is: 42,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,448.94 : 77,900.44 = 30,957.64 : x
  2. Step 2: Convert to fraction form
    56,448.94/77,900.44 = 30,957.64/x
  3. Step 3: Cross multiply
    56,448.94x = 77,900.44 × 30,957.64
  4. Step 4: Simplify right side
    56,448.94x = 2,411,613,777.36
  5. Step 5: Solve for x
    x = 2,411,613,777.36/56,448.94
  6. Step 6: Final answer
    x = 42,722.04

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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.