Home / 31,774.82-47,663.71-14,256.95

Finding the Fourth Proportional to 31,774.82, 47,663.71 and 14,256.95

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Solution

The fourth proportional to 31,774.82, 47,663.71 and 14,256.95 is: 21,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.82 : 47,663.71 = 14,256.95 : x
  2. Step 2: Convert to fraction form
    31,774.82/47,663.71 = 14,256.95/x
  3. Step 3: Cross multiply
    31,774.82x = 47,663.71 × 14,256.95
  4. Step 4: Simplify right side
    31,774.82x = 679,538,856.32
  5. Step 5: Solve for x
    x = 679,538,856.32/31,774.82
  6. Step 6: Final answer
    x = 21,386.08

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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.