Home / 55,897.36-77,138.84-30,403.93

Finding the Fourth Proportional to 55,897.36, 77,138.84 and 30,403.93

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Solution

The fourth proportional to 55,897.36, 77,138.84 and 30,403.93 is: 41,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897.36 : 77,138.84 = 30,403.93 : x
  2. Step 2: Convert to fraction form
    55,897.36/77,138.84 = 30,403.93/x
  3. Step 3: Cross multiply
    55,897.36x = 77,138.84 × 30,403.93
  4. Step 4: Simplify right side
    55,897.36x = 2,345,323,891.64
  5. Step 5: Solve for x
    x = 2,345,323,891.64/55,897.36
  6. Step 6: Final answer
    x = 41,957.69

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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.