Home / 31,726.88-47,602.56-14,184.32

Finding the Fourth Proportional to 31,726.88, 47,602.56 and 14,184.32

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Solution

The fourth proportional to 31,726.88, 47,602.56 and 14,184.32 is: 21,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.88 : 47,602.56 = 14,184.32 : x
  2. Step 2: Convert to fraction form
    31,726.88/47,602.56 = 14,184.32/x
  3. Step 3: Cross multiply
    31,726.88x = 47,602.56 × 14,184.32
  4. Step 4: Simplify right side
    31,726.88x = 675,209,943.86
  5. Step 5: Solve for x
    x = 675,209,943.86/31,726.88
  6. Step 6: Final answer
    x = 21,281.95

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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.