Home / 29,263.84-40,402.56-20,308.48

Finding the Fourth Proportional to 29,263.84, 40,402.56 and 20,308.48

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Solution

The fourth proportional to 29,263.84, 40,402.56 and 20,308.48 is: 28,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.84 : 40,402.56 = 20,308.48 : x
  2. Step 2: Convert to fraction form
    29,263.84/40,402.56 = 20,308.48/x
  3. Step 3: Cross multiply
    29,263.84x = 40,402.56 × 20,308.48
  4. Step 4: Simplify right side
    29,263.84x = 820,514,581.71
  5. Step 5: Solve for x
    x = 820,514,581.71/29,263.84
  6. Step 6: Final answer
    x = 28,038.51

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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.