Home / 38,113.29-52,611.80-28,038.51

Finding the Fourth Proportional to 38,113.29, 52,611.80 and 28,038.51

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Solution

The fourth proportional to 38,113.29, 52,611.80 and 28,038.51 is: 38,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.29 : 52,611.80 = 28,038.51 : x
  2. Step 2: Convert to fraction form
    38,113.29/52,611.80 = 28,038.51/x
  3. Step 3: Cross multiply
    38,113.29x = 52,611.80 × 28,038.51
  4. Step 4: Simplify right side
    38,113.29x = 1,475,156,340.23
  5. Step 5: Solve for x
    x = 1,475,156,340.23/38,113.29
  6. Step 6: Final answer
    x = 38,704.51

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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.