Home / 55,509.13-76,597.96-31,308.76

Finding the Fourth Proportional to 55,509.13, 76,597.96 and 31,308.76

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Solution

The fourth proportional to 55,509.13, 76,597.96 and 31,308.76 is: 43,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.13 : 76,597.96 = 31,308.76 : x
  2. Step 2: Convert to fraction form
    55,509.13/76,597.96 = 31,308.76/x
  3. Step 3: Cross multiply
    55,509.13x = 76,597.96 × 31,308.76
  4. Step 4: Simplify right side
    55,509.13x = 2,398,186,841.41
  5. Step 5: Solve for x
    x = 2,398,186,841.41/55,509.13
  6. Step 6: Final answer
    x = 43,203.47

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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.