Home / 40,788.95-56,288.40-22,883.57

Finding the Fourth Proportional to 40,788.95, 56,288.40 and 22,883.57

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Solution

The fourth proportional to 40,788.95, 56,288.40 and 22,883.57 is: 31,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.95 : 56,288.40 = 22,883.57 : x
  2. Step 2: Convert to fraction form
    40,788.95/56,288.40 = 22,883.57/x
  3. Step 3: Cross multiply
    40,788.95x = 56,288.40 × 22,883.57
  4. Step 4: Simplify right side
    40,788.95x = 1,288,079,541.59
  5. Step 5: Solve for x
    x = 1,288,079,541.59/40,788.95
  6. Step 6: Final answer
    x = 31,579.13

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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.