Home / 29,201.47-43,642.18-21,320.59

Finding the Fourth Proportional to 29,201.47, 43,642.18 and 21,320.59

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Solution

The fourth proportional to 29,201.47, 43,642.18 and 21,320.59 is: 31,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,201.47 : 43,642.18 = 21,320.59 : x
  2. Step 2: Convert to fraction form
    29,201.47/43,642.18 = 21,320.59/x
  3. Step 3: Cross multiply
    29,201.47x = 43,642.18 × 21,320.59
  4. Step 4: Simplify right side
    29,201.47x = 930,477,026.49
  5. Step 5: Solve for x
    x = 930,477,026.49/29,201.47
  6. Step 6: Final answer
    x = 31,864.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.