Home / 47,628.37-71,437.06-12,570.76

Finding the Fourth Proportional to 47,628.37, 71,437.06 and 12,570.76

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Solution

The fourth proportional to 47,628.37, 71,437.06 and 12,570.76 is: 18,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,628.37 : 71,437.06 = 12,570.76 : x
  2. Step 2: Convert to fraction form
    47,628.37/71,437.06 = 12,570.76/x
  3. Step 3: Cross multiply
    47,628.37x = 71,437.06 × 12,570.76
  4. Step 4: Simplify right side
    47,628.37x = 898,018,136.37
  5. Step 5: Solve for x
    x = 898,018,136.37/47,628.37
  6. Step 6: Final answer
    x = 18,854.69

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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.