Home / 52,419.36-72,337.68-28,546.32

Finding the Fourth Proportional to 52,419.36, 72,337.68 and 28,546.32

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Solution

The fourth proportional to 52,419.36, 72,337.68 and 28,546.32 is: 39,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.36 : 72,337.68 = 28,546.32 : x
  2. Step 2: Convert to fraction form
    52,419.36/72,337.68 = 28,546.32/x
  3. Step 3: Cross multiply
    52,419.36x = 72,337.68 × 28,546.32
  4. Step 4: Simplify right side
    52,419.36x = 2,064,974,561.34
  5. Step 5: Solve for x
    x = 2,064,974,561.34/52,419.36
  6. Step 6: Final answer
    x = 39,393.36

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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.