Home / 58,257.09-87,358.03-20,293.12

Finding the Fourth Proportional to 58,257.09, 87,358.03 and 20,293.12

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Solution

The fourth proportional to 58,257.09, 87,358.03 and 20,293.12 is: 30,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,257.09 : 87,358.03 = 20,293.12 : x
  2. Step 2: Convert to fraction form
    58,257.09/87,358.03 = 20,293.12/x
  3. Step 3: Cross multiply
    58,257.09x = 87,358.03 × 20,293.12
  4. Step 4: Simplify right side
    58,257.09x = 1,772,767,044.22
  5. Step 5: Solve for x
    x = 1,772,767,044.22/58,257.09
  6. Step 6: Final answer
    x = 30,430.07

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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.