Home / 34,772.40-47,985.48-18,856.80

Finding the Fourth Proportional to 34,772.40, 47,985.48 and 18,856.80

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Solution

The fourth proportional to 34,772.40, 47,985.48 and 18,856.80 is: 26,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.40 : 47,985.48 = 18,856.80 : x
  2. Step 2: Convert to fraction form
    34,772.40/47,985.48 = 18,856.80/x
  3. Step 3: Cross multiply
    34,772.40x = 47,985.48 × 18,856.80
  4. Step 4: Simplify right side
    34,772.40x = 904,852,599.26
  5. Step 5: Solve for x
    x = 904,852,599.26/34,772.40
  6. Step 6: Final answer
    x = 26,022.15

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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.