Home / 52,648.24-72,654.40-28,774.92

Finding the Fourth Proportional to 52,648.24, 72,654.40 and 28,774.92

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Solution

The fourth proportional to 52,648.24, 72,654.40 and 28,774.92 is: 39,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.24 : 72,654.40 = 28,774.92 : x
  2. Step 2: Convert to fraction form
    52,648.24/72,654.40 = 28,774.92/x
  3. Step 3: Cross multiply
    52,648.24x = 72,654.40 × 28,774.92
  4. Step 4: Simplify right side
    52,648.24x = 2,090,624,547.65
  5. Step 5: Solve for x
    x = 2,090,624,547.65/52,648.24
  6. Step 6: Final answer
    x = 39,709.30

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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.