Home / 42,409.40-63,624.09-12,827.48

Finding the Fourth Proportional to 42,409.40, 63,624.09 and 12,827.48

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Solution

The fourth proportional to 42,409.40, 63,624.09 and 12,827.48 is: 19,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.40 : 63,624.09 = 12,827.48 : x
  2. Step 2: Convert to fraction form
    42,409.40/63,624.09 = 12,827.48/x
  3. Step 3: Cross multiply
    42,409.40x = 63,624.09 × 12,827.48
  4. Step 4: Simplify right side
    42,409.40x = 816,136,741.99
  5. Step 5: Solve for x
    x = 816,136,741.99/42,409.40
  6. Step 6: Final answer
    x = 19,244.24

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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.