Home / 30,475.00-42,038.57-17,726.75

Finding the Fourth Proportional to 30,475.00, 42,038.57 and 17,726.75

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Solution

The fourth proportional to 30,475.00, 42,038.57 and 17,726.75 is: 24,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475.00 : 42,038.57 = 17,726.75 : x
  2. Step 2: Convert to fraction form
    30,475.00/42,038.57 = 17,726.75/x
  3. Step 3: Cross multiply
    30,475.00x = 42,038.57 × 17,726.75
  4. Step 4: Simplify right side
    30,475.00x = 745,207,212.52
  5. Step 5: Solve for x
    x = 745,207,212.52/30,475.00
  6. Step 6: Final answer
    x = 24,453.07

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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.