Home / 35,814.78-49,412.91-20,705.46

Finding the Fourth Proportional to 35,814.78, 49,412.91 and 20,705.46

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Solution

The fourth proportional to 35,814.78, 49,412.91 and 20,705.46 is: 28,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,814.78 : 49,412.91 = 20,705.46 : x
  2. Step 2: Convert to fraction form
    35,814.78/49,412.91 = 20,705.46/x
  3. Step 3: Cross multiply
    35,814.78x = 49,412.91 × 20,705.46
  4. Step 4: Simplify right side
    35,814.78x = 1,023,117,031.49
  5. Step 5: Solve for x
    x = 1,023,117,031.49/35,814.78
  6. Step 6: Final answer
    x = 28,566.89

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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.