Home / 32,875.79-45,357.50-18,718.61

Finding the Fourth Proportional to 32,875.79, 45,357.50 and 18,718.61

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Solution

The fourth proportional to 32,875.79, 45,357.50 and 18,718.61 is: 25,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,875.79 : 45,357.50 = 18,718.61 : x
  2. Step 2: Convert to fraction form
    32,875.79/45,357.50 = 18,718.61/x
  3. Step 3: Cross multiply
    32,875.79x = 45,357.50 × 18,718.61
  4. Step 4: Simplify right side
    32,875.79x = 849,029,032.69
  5. Step 5: Solve for x
    x = 849,029,032.69/32,875.79
  6. Step 6: Final answer
    x = 25,825.36

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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.