Home / 56,054.76-77,356.58-30,561.32

Finding the Fourth Proportional to 56,054.76, 77,356.58 and 30,561.32

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Solution

The fourth proportional to 56,054.76, 77,356.58 and 30,561.32 is: 42,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.76 : 77,356.58 = 30,561.32 : x
  2. Step 2: Convert to fraction form
    56,054.76/77,356.58 = 30,561.32/x
  3. Step 3: Cross multiply
    56,054.76x = 77,356.58 × 30,561.32
  4. Step 4: Simplify right side
    56,054.76x = 2,364,119,195.49
  5. Step 5: Solve for x
    x = 2,364,119,195.49/56,054.76
  6. Step 6: Final answer
    x = 42,175.17

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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.