Home / 34,306.86-47,328.44-20,153.32

Finding the Fourth Proportional to 34,306.86, 47,328.44 and 20,153.32

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Solution

The fourth proportional to 34,306.86, 47,328.44 and 20,153.32 is: 27,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.86 : 47,328.44 = 20,153.32 : x
  2. Step 2: Convert to fraction form
    34,306.86/47,328.44 = 20,153.32/x
  3. Step 3: Cross multiply
    34,306.86x = 47,328.44 × 20,153.32
  4. Step 4: Simplify right side
    34,306.86x = 953,825,196.42
  5. Step 5: Solve for x
    x = 953,825,196.42/34,306.86
  6. Step 6: Final answer
    x = 27,802.75

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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.