Home / 47,000.64-70,501.08-11,940.24

Finding the Fourth Proportional to 47,000.64, 70,501.08 and 11,940.24

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Solution

The fourth proportional to 47,000.64, 70,501.08 and 11,940.24 is: 17,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.64 : 70,501.08 = 11,940.24 : x
  2. Step 2: Convert to fraction form
    47,000.64/70,501.08 = 11,940.24/x
  3. Step 3: Cross multiply
    47,000.64x = 70,501.08 × 11,940.24
  4. Step 4: Simplify right side
    47,000.64x = 841,799,815.46
  5. Step 5: Solve for x
    x = 841,799,815.46/47,000.64
  6. Step 6: Final answer
    x = 17,910.39

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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.