Home / 35,345.16-48,776.40-19,429.65

Finding the Fourth Proportional to 35,345.16, 48,776.40 and 19,429.65

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Solution

The fourth proportional to 35,345.16, 48,776.40 and 19,429.65 is: 26,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.16 : 48,776.40 = 19,429.65 : x
  2. Step 2: Convert to fraction form
    35,345.16/48,776.40 = 19,429.65/x
  3. Step 3: Cross multiply
    35,345.16x = 48,776.40 × 19,429.65
  4. Step 4: Simplify right side
    35,345.16x = 947,708,380.26
  5. Step 5: Solve for x
    x = 947,708,380.26/35,345.16
  6. Step 6: Final answer
    x = 26,812.96

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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.