Home / 47,011.37-70,519.40-15,418.63

Finding the Fourth Proportional to 47,011.37, 70,519.40 and 15,418.63

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Solution

The fourth proportional to 47,011.37, 70,519.40 and 15,418.63 is: 23,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.37 : 70,519.40 = 15,418.63 : x
  2. Step 2: Convert to fraction form
    47,011.37/70,519.40 = 15,418.63/x
  3. Step 3: Cross multiply
    47,011.37x = 70,519.40 × 15,418.63
  4. Step 4: Simplify right side
    47,011.37x = 1,087,312,398.67
  5. Step 5: Solve for x
    x = 1,087,312,398.67/47,011.37
  6. Step 6: Final answer
    x = 23,128.71

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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.