Home / 34,298.78-47,339.66-20,874.35

Finding the Fourth Proportional to 34,298.78, 47,339.66 and 20,874.35

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Solution

The fourth proportional to 34,298.78, 47,339.66 and 20,874.35 is: 28,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,298.78 : 47,339.66 = 20,874.35 : x
  2. Step 2: Convert to fraction form
    34,298.78/47,339.66 = 20,874.35/x
  3. Step 3: Cross multiply
    34,298.78x = 47,339.66 × 20,874.35
  4. Step 4: Simplify right side
    34,298.78x = 988,184,802.26
  5. Step 5: Solve for x
    x = 988,184,802.26/34,298.78
  6. Step 6: Final answer
    x = 28,811.08

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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.