Home / 37,326.79-51,509.52-20,330.76

Finding the Fourth Proportional to 37,326.79, 51,509.52 and 20,330.76

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Solution

The fourth proportional to 37,326.79, 51,509.52 and 20,330.76 is: 28,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,326.79 : 51,509.52 = 20,330.76 : x
  2. Step 2: Convert to fraction form
    37,326.79/51,509.52 = 20,330.76/x
  3. Step 3: Cross multiply
    37,326.79x = 51,509.52 × 20,330.76
  4. Step 4: Simplify right side
    37,326.79x = 1,047,227,882.00
  5. Step 5: Solve for x
    x = 1,047,227,882.00/37,326.79
  6. Step 6: Final answer
    x = 28,055.66

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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.