Home / 58,582.75-87,875.22-21,145.63

Finding the Fourth Proportional to 58,582.75, 87,875.22 and 21,145.63

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Solution

The fourth proportional to 58,582.75, 87,875.22 and 21,145.63 is: 31,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,582.75 : 87,875.22 = 21,145.63 : x
  2. Step 2: Convert to fraction form
    58,582.75/87,875.22 = 21,145.63/x
  3. Step 3: Cross multiply
    58,582.75x = 87,875.22 × 21,145.63
  4. Step 4: Simplify right side
    58,582.75x = 1,858,176,888.29
  5. Step 5: Solve for x
    x = 1,858,176,888.29/58,582.75
  6. Step 6: Final answer
    x = 31,718.84

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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.