Home / 47,065.38-70,592.89-13,785.76

Finding the Fourth Proportional to 47,065.38, 70,592.89 and 13,785.76

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Solution

The fourth proportional to 47,065.38, 70,592.89 and 13,785.76 is: 20,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,065.38 : 70,592.89 = 13,785.76 : x
  2. Step 2: Convert to fraction form
    47,065.38/70,592.89 = 13,785.76/x
  3. Step 3: Cross multiply
    47,065.38x = 70,592.89 × 13,785.76
  4. Step 4: Simplify right side
    47,065.38x = 973,176,639.25
  5. Step 5: Solve for x
    x = 973,176,639.25/47,065.38
  6. Step 6: Final answer
    x = 20,677.12

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1.5x scale

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.