Home / 47,136.69-70,678.30-15,538.18

Finding the Fourth Proportional to 47,136.69, 70,678.30 and 15,538.18

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Solution

The fourth proportional to 47,136.69, 70,678.30 and 15,538.18 is: 23,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.69 : 70,678.30 = 15,538.18 : x
  2. Step 2: Convert to fraction form
    47,136.69/70,678.30 = 15,538.18/x
  3. Step 3: Cross multiply
    47,136.69x = 70,678.30 × 15,538.18
  4. Step 4: Simplify right side
    47,136.69x = 1,098,212,147.49
  5. Step 5: Solve for x
    x = 1,098,212,147.49/47,136.69
  6. Step 6: Final answer
    x = 23,298.46

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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.