Home / 47,459.07-71,188.47-12,398.76

Finding the Fourth Proportional to 47,459.07, 71,188.47 and 12,398.76

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Solution

The fourth proportional to 47,459.07, 71,188.47 and 12,398.76 is: 18,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.07 : 71,188.47 = 12,398.76 : x
  2. Step 2: Convert to fraction form
    47,459.07/71,188.47 = 12,398.76/x
  3. Step 3: Cross multiply
    47,459.07x = 71,188.47 × 12,398.76
  4. Step 4: Simplify right side
    47,459.07x = 882,648,754.30
  5. Step 5: Solve for x
    x = 882,648,754.30/47,459.07
  6. Step 6: Final answer
    x = 18,598.10

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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.