Home / 35,440.65-48,886.47-21,090.86

Finding the Fourth Proportional to 35,440.65, 48,886.47 and 21,090.86

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Solution

The fourth proportional to 35,440.65, 48,886.47 and 21,090.86 is: 29,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.65 : 48,886.47 = 21,090.86 : x
  2. Step 2: Convert to fraction form
    35,440.65/48,886.47 = 21,090.86/x
  3. Step 3: Cross multiply
    35,440.65x = 48,886.47 × 21,090.86
  4. Step 4: Simplify right side
    35,440.65x = 1,031,057,694.66
  5. Step 5: Solve for x
    x = 1,031,057,694.66/35,440.65
  6. Step 6: Final answer
    x = 29,092.52

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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.