Home / 35,570.64-49,088.40-19,655.28

Finding the Fourth Proportional to 35,570.64, 49,088.40 and 19,655.28

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Solution

The fourth proportional to 35,570.64, 49,088.40 and 19,655.28 is: 27,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.64 : 49,088.40 = 19,655.28 : x
  2. Step 2: Convert to fraction form
    35,570.64/49,088.40 = 19,655.28/x
  3. Step 3: Cross multiply
    35,570.64x = 49,088.40 × 19,655.28
  4. Step 4: Simplify right side
    35,570.64x = 964,846,246.75
  5. Step 5: Solve for x
    x = 964,846,246.75/35,570.64
  6. Step 6: Final answer
    x = 27,124.79

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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.