Home / 58,081.93-87,071.28-20,637.07

Finding the Fourth Proportional to 58,081.93, 87,071.28 and 20,637.07

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Solution

The fourth proportional to 58,081.93, 87,071.28 and 20,637.07 is: 30,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081.93 : 87,071.28 = 20,637.07 : x
  2. Step 2: Convert to fraction form
    58,081.93/87,071.28 = 20,637.07/x
  3. Step 3: Cross multiply
    58,081.93x = 87,071.28 × 20,637.07
  4. Step 4: Simplify right side
    58,081.93x = 1,796,896,100.35
  5. Step 5: Solve for x
    x = 1,796,896,100.35/58,081.93
  6. Step 6: Final answer
    x = 30,937.27

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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.