Home / 35,862.95-53,793.79-12,488.78

Finding the Fourth Proportional to 35,862.95, 53,793.79 and 12,488.78

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Solution

The fourth proportional to 35,862.95, 53,793.79 and 12,488.78 is: 18,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.95 : 53,793.79 = 12,488.78 : x
  2. Step 2: Convert to fraction form
    35,862.95/53,793.79 = 12,488.78/x
  3. Step 3: Cross multiply
    35,862.95x = 53,793.79 × 12,488.78
  4. Step 4: Simplify right side
    35,862.95x = 671,818,911.94
  5. Step 5: Solve for x
    x = 671,818,911.94/35,862.95
  6. Step 6: Final answer
    x = 18,732.95

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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.