Home / 56,288.88-84,408.36-16,838.40

Finding the Fourth Proportional to 56,288.88, 84,408.36 and 16,838.40

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Solution

The fourth proportional to 56,288.88, 84,408.36 and 16,838.40 is: 25,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,288.88 : 84,408.36 = 16,838.40 : x
  2. Step 2: Convert to fraction form
    56,288.88/84,408.36 = 16,838.40/x
  3. Step 3: Cross multiply
    56,288.88x = 84,408.36 × 16,838.40
  4. Step 4: Simplify right side
    56,288.88x = 1,421,301,729.02
  5. Step 5: Solve for x
    x = 1,421,301,729.02/56,288.88
  6. Step 6: Final answer
    x = 25,250.13

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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.