Home / 39,300.08-58,871.16-19,518.80

Finding the Fourth Proportional to 39,300.08, 58,871.16 and 19,518.80

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Solution

The fourth proportional to 39,300.08, 58,871.16 and 19,518.80 is: 29,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,300.08 : 58,871.16 = 19,518.80 : x
  2. Step 2: Convert to fraction form
    39,300.08/58,871.16 = 19,518.80/x
  3. Step 3: Cross multiply
    39,300.08x = 58,871.16 × 19,518.80
  4. Step 4: Simplify right side
    39,300.08x = 1,149,094,397.81
  5. Step 5: Solve for x
    x = 1,149,094,397.81/39,300.08
  6. Step 6: Final answer
    x = 29,238.98

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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.