Home / 56,143.40-77,483.34-41,971.64

Finding the Fourth Proportional to 56,143.40, 77,483.34 and 41,971.64

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Solution

The fourth proportional to 56,143.40, 77,483.34 and 41,971.64 is: 57,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.40 : 77,483.34 = 41,971.64 : x
  2. Step 2: Convert to fraction form
    56,143.40/77,483.34 = 41,971.64/x
  3. Step 3: Cross multiply
    56,143.40x = 77,483.34 × 41,971.64
  4. Step 4: Simplify right side
    56,143.40x = 3,252,102,852.48
  5. Step 5: Solve for x
    x = 3,252,102,852.48/56,143.40
  6. Step 6: Final answer
    x = 57,924.94

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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.