Home / 56,078.99-77,386.28-33,417.48

Finding the Fourth Proportional to 56,078.99, 77,386.28 and 33,417.48

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Solution

The fourth proportional to 56,078.99, 77,386.28 and 33,417.48 is: 46,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.99 : 77,386.28 = 33,417.48 : x
  2. Step 2: Convert to fraction form
    56,078.99/77,386.28 = 33,417.48/x
  3. Step 3: Cross multiply
    56,078.99x = 77,386.28 × 33,417.48
  4. Step 4: Simplify right side
    56,078.99x = 2,586,054,245.97
  5. Step 5: Solve for x
    x = 2,586,054,245.97/56,078.99
  6. Step 6: Final answer
    x = 46,114.49

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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.