Home / 40,822.56-61,250.16-18,646.40

Finding the Fourth Proportional to 40,822.56, 61,250.16 and 18,646.40

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Solution

The fourth proportional to 40,822.56, 61,250.16 and 18,646.40 is: 27,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.56 : 61,250.16 = 18,646.40 : x
  2. Step 2: Convert to fraction form
    40,822.56/61,250.16 = 18,646.40/x
  3. Step 3: Cross multiply
    40,822.56x = 61,250.16 × 18,646.40
  4. Step 4: Simplify right side
    40,822.56x = 1,142,094,983.42
  5. Step 5: Solve for x
    x = 1,142,094,983.42/40,822.56
  6. Step 6: Final answer
    x = 27,977.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.