Home / 47,663.37-71,495.47-12,124.72

Finding the Fourth Proportional to 47,663.37, 71,495.47 and 12,124.72

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Solution

The fourth proportional to 47,663.37, 71,495.47 and 12,124.72 is: 18,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.37 : 71,495.47 = 12,124.72 : x
  2. Step 2: Convert to fraction form
    47,663.37/71,495.47 = 12,124.72/x
  3. Step 3: Cross multiply
    47,663.37x = 71,495.47 × 12,124.72
  4. Step 4: Simplify right side
    47,663.37x = 866,862,755.71
  5. Step 5: Solve for x
    x = 866,862,755.71/47,663.37
  6. Step 6: Final answer
    x = 18,187.19

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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.