Home / 37,510.56-51,765.48-20,516.40

Finding the Fourth Proportional to 37,510.56, 51,765.48 and 20,516.40

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Solution

The fourth proportional to 37,510.56, 51,765.48 and 20,516.40 is: 28,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,510.56 : 51,765.48 = 20,516.40 : x
  2. Step 2: Convert to fraction form
    37,510.56/51,765.48 = 20,516.40/x
  3. Step 3: Cross multiply
    37,510.56x = 51,765.48 × 20,516.40
  4. Step 4: Simplify right side
    37,510.56x = 1,062,041,293.87
  5. Step 5: Solve for x
    x = 1,062,041,293.87/37,510.56
  6. Step 6: Final answer
    x = 28,313.13

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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.