Home / 34,624.50-47,781.80-18,708.95

Finding the Fourth Proportional to 34,624.50, 47,781.80 and 18,708.95

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Solution

The fourth proportional to 34,624.50, 47,781.80 and 18,708.95 is: 25,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.50 : 47,781.80 = 18,708.95 : x
  2. Step 2: Convert to fraction form
    34,624.50/47,781.80 = 18,708.95/x
  3. Step 3: Cross multiply
    34,624.50x = 47,781.80 × 18,708.95
  4. Step 4: Simplify right side
    34,624.50x = 893,947,307.11
  5. Step 5: Solve for x
    x = 893,947,307.11/34,624.50
  6. Step 6: Final answer
    x = 25,818.35

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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.