Home / 31,557.76-47,335.56-12,832.24

Finding the Fourth Proportional to 31,557.76, 47,335.56 and 12,832.24

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Solution

The fourth proportional to 31,557.76, 47,335.56 and 12,832.24 is: 19,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.76 : 47,335.56 = 12,832.24 : x
  2. Step 2: Convert to fraction form
    31,557.76/47,335.56 = 12,832.24/x
  3. Step 3: Cross multiply
    31,557.76x = 47,335.56 × 12,832.24
  4. Step 4: Simplify right side
    31,557.76x = 607,421,266.45
  5. Step 5: Solve for x
    x = 607,421,266.45/31,557.76
  6. Step 6: Final answer
    x = 19,247.92

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1.5x scale

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.