Home / 55,810.16-77,023.44-31,940.24

Finding the Fourth Proportional to 55,810.16, 77,023.44 and 31,940.24

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Solution

The fourth proportional to 55,810.16, 77,023.44 and 31,940.24 is: 44,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.16 : 77,023.44 = 31,940.24 : x
  2. Step 2: Convert to fraction form
    55,810.16/77,023.44 = 31,940.24/x
  3. Step 3: Cross multiply
    55,810.16x = 77,023.44 × 31,940.24
  4. Step 4: Simplify right side
    55,810.16x = 2,460,147,159.23
  5. Step 5: Solve for x
    x = 2,460,147,159.23/55,810.16
  6. Step 6: Final answer
    x = 44,080.63

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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.