Home / 35,746.71-49,315.68-20,628.65

Finding the Fourth Proportional to 35,746.71, 49,315.68 and 20,628.65

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Solution

The fourth proportional to 35,746.71, 49,315.68 and 20,628.65 is: 28,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.71 : 49,315.68 = 20,628.65 : x
  2. Step 2: Convert to fraction form
    35,746.71/49,315.68 = 20,628.65/x
  3. Step 3: Cross multiply
    35,746.71x = 49,315.68 × 20,628.65
  4. Step 4: Simplify right side
    35,746.71x = 1,017,315,937.59
  5. Step 5: Solve for x
    x = 1,017,315,937.59/35,746.71
  6. Step 6: Final answer
    x = 28,459.01

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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.