Home / 34,071.46-47,018.13-18,964.12

Finding the Fourth Proportional to 34,071.46, 47,018.13 and 18,964.12

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Solution

The fourth proportional to 34,071.46, 47,018.13 and 18,964.12 is: 26,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.46 : 47,018.13 = 18,964.12 : x
  2. Step 2: Convert to fraction form
    34,071.46/47,018.13 = 18,964.12/x
  3. Step 3: Cross multiply
    34,071.46x = 47,018.13 × 18,964.12
  4. Step 4: Simplify right side
    34,071.46x = 891,657,459.50
  5. Step 5: Solve for x
    x = 891,657,459.50/34,071.46
  6. Step 6: Final answer
    x = 26,170.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.