Home / 47,250.38-70,890.62-13,970.63

Finding the Fourth Proportional to 47,250.38, 70,890.62 and 13,970.63

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Solution

The fourth proportional to 47,250.38, 70,890.62 and 13,970.63 is: 20,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.38 : 70,890.62 = 13,970.63 : x
  2. Step 2: Convert to fraction form
    47,250.38/70,890.62 = 13,970.63/x
  3. Step 3: Cross multiply
    47,250.38x = 70,890.62 × 13,970.63
  4. Step 4: Simplify right side
    47,250.38x = 990,386,729.86
  5. Step 5: Solve for x
    x = 990,386,729.86/47,250.38
  6. Step 6: Final answer
    x = 20,960.40

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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.