Home / 56,008.48-77,329.68-39,212.32

Finding the Fourth Proportional to 56,008.48, 77,329.68 and 39,212.32

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Solution

The fourth proportional to 56,008.48, 77,329.68 and 39,212.32 is: 54,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.48 : 77,329.68 = 39,212.32 : x
  2. Step 2: Convert to fraction form
    56,008.48/77,329.68 = 39,212.32/x
  3. Step 3: Cross multiply
    56,008.48x = 77,329.68 × 39,212.32
  4. Step 4: Simplify right side
    56,008.48x = 3,032,276,157.66
  5. Step 5: Solve for x
    x = 3,032,276,157.66/56,008.48
  6. Step 6: Final answer
    x = 54,139.59

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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.