Home / 34,772.06-47,985.02-18,856.31

Finding the Fourth Proportional to 34,772.06, 47,985.02 and 18,856.31

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Solution

The fourth proportional to 34,772.06, 47,985.02 and 18,856.31 is: 26,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.06 : 47,985.02 = 18,856.31 : x
  2. Step 2: Convert to fraction form
    34,772.06/47,985.02 = 18,856.31/x
  3. Step 3: Cross multiply
    34,772.06x = 47,985.02 × 18,856.31
  4. Step 4: Simplify right side
    34,772.06x = 904,820,438.16
  5. Step 5: Solve for x
    x = 904,820,438.16/34,772.06
  6. Step 6: Final answer
    x = 26,021.48

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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.