Home / 55,830.42-77,059.26-31,970.88

Finding the Fourth Proportional to 55,830.42, 77,059.26 and 31,970.88

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Solution

The fourth proportional to 55,830.42, 77,059.26 and 31,970.88 is: 44,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.42 : 77,059.26 = 31,970.88 : x
  2. Step 2: Convert to fraction form
    55,830.42/77,059.26 = 31,970.88/x
  3. Step 3: Cross multiply
    55,830.42x = 77,059.26 × 31,970.88
  4. Step 4: Simplify right side
    55,830.42x = 2,463,652,354.35
  5. Step 5: Solve for x
    x = 2,463,652,354.35/55,830.42
  6. Step 6: Final answer
    x = 44,127.42

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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.