Home / 34,101.04-47,061.80-20,672.86

Finding the Fourth Proportional to 34,101.04, 47,061.80 and 20,672.86

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Solution

The fourth proportional to 34,101.04, 47,061.80 and 20,672.86 is: 28,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.04 : 47,061.80 = 20,672.86 : x
  2. Step 2: Convert to fraction form
    34,101.04/47,061.80 = 20,672.86/x
  3. Step 3: Cross multiply
    34,101.04x = 47,061.80 × 20,672.86
  4. Step 4: Simplify right side
    34,101.04x = 972,901,888.67
  5. Step 5: Solve for x
    x = 972,901,888.67/34,101.04
  6. Step 6: Final answer
    x = 28,529.98

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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.