Home / 34,411.64-47,490.50-19,305.74

Finding the Fourth Proportional to 34,411.64, 47,490.50 and 19,305.74

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Solution

The fourth proportional to 34,411.64, 47,490.50 and 19,305.74 is: 26,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,411.64 : 47,490.50 = 19,305.74 : x
  2. Step 2: Convert to fraction form
    34,411.64/47,490.50 = 19,305.74/x
  3. Step 3: Cross multiply
    34,411.64x = 47,490.50 × 19,305.74
  4. Step 4: Simplify right side
    34,411.64x = 916,839,412.46
  5. Step 5: Solve for x
    x = 916,839,412.46/34,411.64
  6. Step 6: Final answer
    x = 26,643.30

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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.