Home / 35,501.64-49,000.80-21,351.78

Finding the Fourth Proportional to 35,501.64, 49,000.80 and 21,351.78

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Solution

The fourth proportional to 35,501.64, 49,000.80 and 21,351.78 is: 29,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,501.64 : 49,000.80 = 21,351.78 : x
  2. Step 2: Convert to fraction form
    35,501.64/49,000.80 = 21,351.78/x
  3. Step 3: Cross multiply
    35,501.64x = 49,000.80 × 21,351.78
  4. Step 4: Simplify right side
    35,501.64x = 1,046,254,301.42
  5. Step 5: Solve for x
    x = 1,046,254,301.42/35,501.64
  6. Step 6: Final answer
    x = 29,470.59

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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.