Home / 37,501.31-51,749.69-20,502.40

Finding the Fourth Proportional to 37,501.31, 51,749.69 and 20,502.40

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Solution

The fourth proportional to 37,501.31, 51,749.69 and 20,502.40 is: 28,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,501.31 : 51,749.69 = 20,502.40 : x
  2. Step 2: Convert to fraction form
    37,501.31/51,749.69 = 20,502.40/x
  3. Step 3: Cross multiply
    37,501.31x = 51,749.69 × 20,502.40
  4. Step 4: Simplify right side
    37,501.31x = 1,060,992,709.40
  5. Step 5: Solve for x
    x = 1,060,992,709.40/37,501.31
  6. Step 6: Final answer
    x = 28,292.15

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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.