Home / 30,275.37-45,428.85-17,153.37

Finding the Fourth Proportional to 30,275.37, 45,428.85 and 17,153.37

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Solution

The fourth proportional to 30,275.37, 45,428.85 and 17,153.37 is: 25,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.37 : 45,428.85 = 17,153.37 : x
  2. Step 2: Convert to fraction form
    30,275.37/45,428.85 = 17,153.37/x
  3. Step 3: Cross multiply
    30,275.37x = 45,428.85 × 17,153.37
  4. Step 4: Simplify right side
    30,275.37x = 779,257,872.72
  5. Step 5: Solve for x
    x = 779,257,872.72/30,275.37
  6. Step 6: Final answer
    x = 25,739.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.