Home / 30,572.52-45,872.31-19,476.36

Finding the Fourth Proportional to 30,572.52, 45,872.31 and 19,476.36

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Solution

The fourth proportional to 30,572.52, 45,872.31 and 19,476.36 is: 29,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.52 : 45,872.31 = 19,476.36 : x
  2. Step 2: Convert to fraction form
    30,572.52/45,872.31 = 19,476.36/x
  3. Step 3: Cross multiply
    30,572.52x = 45,872.31 × 19,476.36
  4. Step 4: Simplify right side
    30,572.52x = 893,425,623.59
  5. Step 5: Solve for x
    x = 893,425,623.59/30,572.52
  6. Step 6: Final answer
    x = 29,223.16

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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.