Home / 34,770.17-47,981.99-18,854.21

Finding the Fourth Proportional to 34,770.17, 47,981.99 and 18,854.21

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Solution

The fourth proportional to 34,770.17, 47,981.99 and 18,854.21 is: 26,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.17 : 47,981.99 = 18,854.21 : x
  2. Step 2: Convert to fraction form
    34,770.17/47,981.99 = 18,854.21/x
  3. Step 3: Cross multiply
    34,770.17x = 47,981.99 × 18,854.21
  4. Step 4: Simplify right side
    34,770.17x = 904,662,421.41
  5. Step 5: Solve for x
    x = 904,662,421.41/34,770.17
  6. Step 6: Final answer
    x = 26,018.35

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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.