Home / 39,946.69-59,899.18-11,862.88

Finding the Fourth Proportional to 39,946.69, 59,899.18 and 11,862.88

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Solution

The fourth proportional to 39,946.69, 59,899.18 and 11,862.88 is: 17,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.69 : 59,899.18 = 11,862.88 : x
  2. Step 2: Convert to fraction form
    39,946.69/59,899.18 = 11,862.88/x
  3. Step 3: Cross multiply
    39,946.69x = 59,899.18 × 11,862.88
  4. Step 4: Simplify right side
    39,946.69x = 710,576,784.44
  5. Step 5: Solve for x
    x = 710,576,784.44/39,946.69
  6. Step 6: Final answer
    x = 17,788.13

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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.