Home / 34,302.36-47,341.47-20,874.99

Finding the Fourth Proportional to 34,302.36, 47,341.47 and 20,874.99

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Solution

The fourth proportional to 34,302.36, 47,341.47 and 20,874.99 is: 28,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.36 : 47,341.47 = 20,874.99 : x
  2. Step 2: Convert to fraction form
    34,302.36/47,341.47 = 20,874.99/x
  3. Step 3: Cross multiply
    34,302.36x = 47,341.47 × 20,874.99
  4. Step 4: Simplify right side
    34,302.36x = 988,252,712.84
  5. Step 5: Solve for x
    x = 988,252,712.84/34,302.36
  6. Step 6: Final answer
    x = 28,810.05

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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.