Home / 52,453.68-72,386.09-28,580.36

Finding the Fourth Proportional to 52,453.68, 72,386.09 and 28,580.36

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Solution

The fourth proportional to 52,453.68, 72,386.09 and 28,580.36 is: 39,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.68 : 72,386.09 = 28,580.36 : x
  2. Step 2: Convert to fraction form
    52,453.68/72,386.09 = 28,580.36/x
  3. Step 3: Cross multiply
    52,453.68x = 72,386.09 × 28,580.36
  4. Step 4: Simplify right side
    52,453.68x = 2,068,820,335.90
  5. Step 5: Solve for x
    x = 2,068,820,335.90/52,453.68
  6. Step 6: Final answer
    x = 39,440.90

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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.