Home / 58,660.80-87,990.36-14,287.56

Finding the Fourth Proportional to 58,660.80, 87,990.36 and 14,287.56

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Solution

The fourth proportional to 58,660.80, 87,990.36 and 14,287.56 is: 21,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.80 : 87,990.36 = 14,287.56 : x
  2. Step 2: Convert to fraction form
    58,660.80/87,990.36 = 14,287.56/x
  3. Step 3: Cross multiply
    58,660.80x = 87,990.36 × 14,287.56
  4. Step 4: Simplify right side
    58,660.80x = 1,257,167,547.92
  5. Step 5: Solve for x
    x = 1,257,167,547.92/58,660.80
  6. Step 6: Final answer
    x = 21,431.14

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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.