Home / 32,856.66-45,326.39-21,521.25

Finding the Fourth Proportional to 32,856.66, 45,326.39 and 21,521.25

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Solution

The fourth proportional to 32,856.66, 45,326.39 and 21,521.25 is: 29,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.66 : 45,326.39 = 21,521.25 : x
  2. Step 2: Convert to fraction form
    32,856.66/45,326.39 = 21,521.25/x
  3. Step 3: Cross multiply
    32,856.66x = 45,326.39 × 21,521.25
  4. Step 4: Simplify right side
    32,856.66x = 975,480,463.18
  5. Step 5: Solve for x
    x = 975,480,463.18/32,856.66
  6. Step 6: Final answer
    x = 29,688.97

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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.