Home / 29,547.84-40,775.76-16,972.80

Finding the Fourth Proportional to 29,547.84, 40,775.76 and 16,972.80

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Solution

The fourth proportional to 29,547.84, 40,775.76 and 16,972.80 is: 23,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.84 : 40,775.76 = 16,972.80 : x
  2. Step 2: Convert to fraction form
    29,547.84/40,775.76 = 16,972.80/x
  3. Step 3: Cross multiply
    29,547.84x = 40,775.76 × 16,972.80
  4. Step 4: Simplify right side
    29,547.84x = 692,078,819.33
  5. Step 5: Solve for x
    x = 692,078,819.33/29,547.84
  6. Step 6: Final answer
    x = 23,422.32

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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.