Home / 56,027.43-77,317.88-30,533.81

Finding the Fourth Proportional to 56,027.43, 77,317.88 and 30,533.81

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Solution

The fourth proportional to 56,027.43, 77,317.88 and 30,533.81 is: 42,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.43 : 77,317.88 = 30,533.81 : x
  2. Step 2: Convert to fraction form
    56,027.43/77,317.88 = 30,533.81/x
  3. Step 3: Cross multiply
    56,027.43x = 77,317.88 × 30,533.81
  4. Step 4: Simplify right side
    56,027.43x = 2,360,808,918.26
  5. Step 5: Solve for x
    x = 2,360,808,918.26/56,027.43
  6. Step 6: Final answer
    x = 42,136.66

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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.