Home / 56,027.34-77,317.75-30,533.72

Finding the Fourth Proportional to 56,027.34, 77,317.75 and 30,533.72

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Solution

The fourth proportional to 56,027.34, 77,317.75 and 30,533.72 is: 42,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.34 : 77,317.75 = 30,533.72 : x
  2. Step 2: Convert to fraction form
    56,027.34/77,317.75 = 30,533.72/x
  3. Step 3: Cross multiply
    56,027.34x = 77,317.75 × 30,533.72
  4. Step 4: Simplify right side
    56,027.34x = 2,360,798,529.53
  5. Step 5: Solve for x
    x = 2,360,798,529.53/56,027.34
  6. Step 6: Final answer
    x = 42,136.54

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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.