Home / 47,206.40-70,826.00-20,929.59

Finding the Fourth Proportional to 47,206.40, 70,826.00 and 20,929.59

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Solution

The fourth proportional to 47,206.40, 70,826.00 and 20,929.59 is: 31,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206.40 : 70,826.00 = 20,929.59 : x
  2. Step 2: Convert to fraction form
    47,206.40/70,826.00 = 20,929.59/x
  3. Step 3: Cross multiply
    47,206.40x = 70,826.00 × 20,929.59
  4. Step 4: Simplify right side
    47,206.40x = 1,482,359,036.69
  5. Step 5: Solve for x
    x = 1,482,359,036.69/47,206.40
  6. Step 6: Final answer
    x = 31,401.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.