Home / 34,459.62-47,548.58-20,315.19

Finding the Fourth Proportional to 34,459.62, 47,548.58 and 20,315.19

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Solution

The fourth proportional to 34,459.62, 47,548.58 and 20,315.19 is: 28,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,459.62 : 47,548.58 = 20,315.19 : x
  2. Step 2: Convert to fraction form
    34,459.62/47,548.58 = 20,315.19/x
  3. Step 3: Cross multiply
    34,459.62x = 47,548.58 × 20,315.19
  4. Step 4: Simplify right side
    34,459.62x = 965,958,436.93
  5. Step 5: Solve for x
    x = 965,958,436.93/34,459.62
  6. Step 6: Final answer
    x = 28,031.60

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Half scale
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Double scale
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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.