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Finding the Fourth Proportional to 56,496, 84,744 and 19,560

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Solution

The fourth proportional to 56,496, 84,744 and 19,560 is: 29,340

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496 : 84,744 = 19,560 : x
  2. Step 2: Convert to fraction form
    56,496/84,744 = 19,560/x
  3. Step 3: Cross multiply
    56,496x = 84,744 × 19,560
  4. Step 4: Simplify right side
    56,496x = 1,657,592,640
  5. Step 5: Solve for x
    x = 1,657,592,640/56,496
  6. Step 6: Final answer
    x = 29,340

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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.