Home / 35,659.79-49,207.08-21,316.76

Finding the Fourth Proportional to 35,659.79, 49,207.08 and 21,316.76

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Solution

The fourth proportional to 35,659.79, 49,207.08 and 21,316.76 is: 29,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.79 : 49,207.08 = 21,316.76 : x
  2. Step 2: Convert to fraction form
    35,659.79/49,207.08 = 21,316.76/x
  3. Step 3: Cross multiply
    35,659.79x = 49,207.08 × 21,316.76
  4. Step 4: Simplify right side
    35,659.79x = 1,048,935,514.66
  5. Step 5: Solve for x
    x = 1,048,935,514.66/35,659.79
  6. Step 6: Final answer
    x = 29,415.08

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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.