Home / 47,215.81-70,852.88-19,136.10

Finding the Fourth Proportional to 47,215.81, 70,852.88 and 19,136.10

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Solution

The fourth proportional to 47,215.81, 70,852.88 and 19,136.10 is: 28,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.81 : 70,852.88 = 19,136.10 : x
  2. Step 2: Convert to fraction form
    47,215.81/70,852.88 = 19,136.10/x
  3. Step 3: Cross multiply
    47,215.81x = 70,852.88 × 19,136.10
  4. Step 4: Simplify right side
    47,215.81x = 1,355,847,604.32
  5. Step 5: Solve for x
    x = 1,355,847,604.32/47,215.81
  6. Step 6: Final answer
    x = 28,715.97

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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.