Home / 35,588.64-49,108.05-19,670.91

Finding the Fourth Proportional to 35,588.64, 49,108.05 and 19,670.91

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Solution

The fourth proportional to 35,588.64, 49,108.05 and 19,670.91 is: 27,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,588.64 : 49,108.05 = 19,670.91 : x
  2. Step 2: Convert to fraction form
    35,588.64/49,108.05 = 19,670.91/x
  3. Step 3: Cross multiply
    35,588.64x = 49,108.05 × 19,670.91
  4. Step 4: Simplify right side
    35,588.64x = 966,000,031.83
  5. Step 5: Solve for x
    x = 966,000,031.83/35,588.64
  6. Step 6: Final answer
    x = 27,143.49

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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.