Home / 56,421.16-77,840.36-33,760.68

Finding the Fourth Proportional to 56,421.16, 77,840.36 and 33,760.68

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Solution

The fourth proportional to 56,421.16, 77,840.36 and 33,760.68 is: 46,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.16 : 77,840.36 = 33,760.68 : x
  2. Step 2: Convert to fraction form
    56,421.16/77,840.36 = 33,760.68/x
  3. Step 3: Cross multiply
    56,421.16x = 77,840.36 × 33,760.68
  4. Step 4: Simplify right side
    56,421.16x = 2,627,943,485.04
  5. Step 5: Solve for x
    x = 2,627,943,485.04/56,421.16
  6. Step 6: Final answer
    x = 46,577.27

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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.