Home / 39,005.36-58,434.56-19,260.80

Finding the Fourth Proportional to 39,005.36, 58,434.56 and 19,260.80

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Solution

The fourth proportional to 39,005.36, 58,434.56 and 19,260.80 is: 28,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.36 : 58,434.56 = 19,260.80 : x
  2. Step 2: Convert to fraction form
    39,005.36/58,434.56 = 19,260.80/x
  3. Step 3: Cross multiply
    39,005.36x = 58,434.56 × 19,260.80
  4. Step 4: Simplify right side
    39,005.36x = 1,125,496,373.25
  5. Step 5: Solve for x
    x = 1,125,496,373.25/39,005.36
  6. Step 6: Final answer
    x = 28,854.92

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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.