Home / 34,772.42-47,985.09-18,856.46

Finding the Fourth Proportional to 34,772.42, 47,985.09 and 18,856.46

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Solution

The fourth proportional to 34,772.42, 47,985.09 and 18,856.46 is: 26,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.42 : 47,985.09 = 18,856.46 : x
  2. Step 2: Convert to fraction form
    34,772.42/47,985.09 = 18,856.46/x
  3. Step 3: Cross multiply
    34,772.42x = 47,985.09 × 18,856.46
  4. Step 4: Simplify right side
    34,772.42x = 904,828,930.18
  5. Step 5: Solve for x
    x = 904,828,930.18/34,772.42
  6. Step 6: Final answer
    x = 26,021.45

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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.