Home / 39,339.72-59,019.36-11,637.72

Finding the Fourth Proportional to 39,339.72, 59,019.36 and 11,637.72

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Solution

The fourth proportional to 39,339.72, 59,019.36 and 11,637.72 is: 17,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.72 : 59,019.36 = 11,637.72 : x
  2. Step 2: Convert to fraction form
    39,339.72/59,019.36 = 11,637.72/x
  3. Step 3: Cross multiply
    39,339.72x = 59,019.36 × 11,637.72
  4. Step 4: Simplify right side
    39,339.72x = 686,850,786.26
  5. Step 5: Solve for x
    x = 686,850,786.26/39,339.72
  6. Step 6: Final answer
    x = 17,459.47

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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.