Home / 35,020.40-48,329.10-21,410.68

Finding the Fourth Proportional to 35,020.40, 48,329.10 and 21,410.68

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Solution

The fourth proportional to 35,020.40, 48,329.10 and 21,410.68 is: 29,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.40 : 48,329.10 = 21,410.68 : x
  2. Step 2: Convert to fraction form
    35,020.40/48,329.10 = 21,410.68/x
  3. Step 3: Cross multiply
    35,020.40x = 48,329.10 × 21,410.68
  4. Step 4: Simplify right side
    35,020.40x = 1,034,758,894.79
  5. Step 5: Solve for x
    x = 1,034,758,894.79/35,020.40
  6. Step 6: Final answer
    x = 29,547.32

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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.