Home / 52,339.30-72,246.78-31,118.46

Finding the Fourth Proportional to 52,339.30, 72,246.78 and 31,118.46

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Solution

The fourth proportional to 52,339.30, 72,246.78 and 31,118.46 is: 42,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.30 : 72,246.78 = 31,118.46 : x
  2. Step 2: Convert to fraction form
    52,339.30/72,246.78 = 31,118.46/x
  3. Step 3: Cross multiply
    52,339.30x = 72,246.78 × 31,118.46
  4. Step 4: Simplify right side
    52,339.30x = 2,248,208,533.56
  5. Step 5: Solve for x
    x = 2,248,208,533.56/52,339.30
  6. Step 6: Final answer
    x = 42,954.50

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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.