Home / 38,612.95-53,281.46-21,614.83

Finding the Fourth Proportional to 38,612.95, 53,281.46 and 21,614.83

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Solution

The fourth proportional to 38,612.95, 53,281.46 and 21,614.83 is: 29,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612.95 : 53,281.46 = 21,614.83 : x
  2. Step 2: Convert to fraction form
    38,612.95/53,281.46 = 21,614.83/x
  3. Step 3: Cross multiply
    38,612.95x = 53,281.46 × 21,614.83
  4. Step 4: Simplify right side
    38,612.95x = 1,151,669,620.89
  5. Step 5: Solve for x
    x = 1,151,669,620.89/38,612.95
  6. Step 6: Final answer
    x = 29,826.00

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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.