Home / 29,298.33-40,420.53-21,659.94

Finding the Fourth Proportional to 29,298.33, 40,420.53 and 21,659.94

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Solution

The fourth proportional to 29,298.33, 40,420.53 and 21,659.94 is: 29,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,298.33 : 40,420.53 = 21,659.94 : x
  2. Step 2: Convert to fraction form
    29,298.33/40,420.53 = 21,659.94/x
  3. Step 3: Cross multiply
    29,298.33x = 40,420.53 × 21,659.94
  4. Step 4: Simplify right side
    29,298.33x = 875,506,254.57
  5. Step 5: Solve for x
    x = 875,506,254.57/29,298.33
  6. Step 6: Final answer
    x = 29,882.46

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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.