Home / 55,509.00-76,597.80-31,308.63

Finding the Fourth Proportional to 55,509.00, 76,597.80 and 31,308.63

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Solution

The fourth proportional to 55,509.00, 76,597.80 and 31,308.63 is: 43,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.00 : 76,597.80 = 31,308.63 : x
  2. Step 2: Convert to fraction form
    55,509.00/76,597.80 = 31,308.63/x
  3. Step 3: Cross multiply
    55,509.00x = 76,597.80 × 31,308.63
  4. Step 4: Simplify right side
    55,509.00x = 2,398,172,300.97
  5. Step 5: Solve for x
    x = 2,398,172,300.97/55,509.00
  6. Step 6: Final answer
    x = 43,203.30

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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.