Home / 37,683.66-52,001.39-20,915.66

Finding the Fourth Proportional to 37,683.66, 52,001.39 and 20,915.66

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Solution

The fourth proportional to 37,683.66, 52,001.39 and 20,915.66 is: 28,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.66 : 52,001.39 = 20,915.66 : x
  2. Step 2: Convert to fraction form
    37,683.66/52,001.39 = 20,915.66/x
  3. Step 3: Cross multiply
    37,683.66x = 52,001.39 × 20,915.66
  4. Step 4: Simplify right side
    37,683.66x = 1,087,643,392.77
  5. Step 5: Solve for x
    x = 1,087,643,392.77/37,683.66
  6. Step 6: Final answer
    x = 28,862.47

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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.