Home / 34,303.86-47,343.54-20,876.49

Finding the Fourth Proportional to 34,303.86, 47,343.54 and 20,876.49

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Solution

The fourth proportional to 34,303.86, 47,343.54 and 20,876.49 is: 28,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,303.86 : 47,343.54 = 20,876.49 : x
  2. Step 2: Convert to fraction form
    34,303.86/47,343.54 = 20,876.49/x
  3. Step 3: Cross multiply
    34,303.86x = 47,343.54 × 20,876.49
  4. Step 4: Simplify right side
    34,303.86x = 988,366,939.37
  5. Step 5: Solve for x
    x = 988,366,939.37/34,303.86
  6. Step 6: Final answer
    x = 28,812.12

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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.