Home / 29,525.52-40,756.59-21,630.45

Finding the Fourth Proportional to 29,525.52, 40,756.59 and 21,630.45

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Solution

The fourth proportional to 29,525.52, 40,756.59 and 21,630.45 is: 29,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525.52 : 40,756.59 = 21,630.45 : x
  2. Step 2: Convert to fraction form
    29,525.52/40,756.59 = 21,630.45/x
  3. Step 3: Cross multiply
    29,525.52x = 40,756.59 × 21,630.45
  4. Step 4: Simplify right side
    29,525.52x = 881,583,382.17
  5. Step 5: Solve for x
    x = 881,583,382.17/29,525.52
  6. Step 6: Final answer
    x = 29,858.35

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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.