Home / 52,838.83-72,918.99-28,966.40

Finding the Fourth Proportional to 52,838.83, 72,918.99 and 28,966.40

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Solution

The fourth proportional to 52,838.83, 72,918.99 and 28,966.40 is: 39,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.83 : 72,918.99 = 28,966.40 : x
  2. Step 2: Convert to fraction form
    52,838.83/72,918.99 = 28,966.40/x
  3. Step 3: Cross multiply
    52,838.83x = 72,918.99 × 28,966.40
  4. Step 4: Simplify right side
    52,838.83x = 2,112,200,267.34
  5. Step 5: Solve for x
    x = 2,112,200,267.34/52,838.83
  6. Step 6: Final answer
    x = 39,974.40

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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.