Home / 30,935.00-42,688.26-17,507.63

Finding the Fourth Proportional to 30,935.00, 42,688.26 and 17,507.63

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Solution

The fourth proportional to 30,935.00, 42,688.26 and 17,507.63 is: 24,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.00 : 42,688.26 = 17,507.63 : x
  2. Step 2: Convert to fraction form
    30,935.00/42,688.26 = 17,507.63/x
  3. Step 3: Cross multiply
    30,935.00x = 42,688.26 × 17,507.63
  4. Step 4: Simplify right side
    30,935.00x = 747,370,047.98
  5. Step 5: Solve for x
    x = 747,370,047.98/30,935.00
  6. Step 6: Final answer
    x = 24,159.37

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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.