Home / 39,487.51-59,231.36-19,746.19

Finding the Fourth Proportional to 39,487.51, 59,231.36 and 19,746.19

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Solution

The fourth proportional to 39,487.51, 59,231.36 and 19,746.19 is: 29,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.51 : 59,231.36 = 19,746.19 : x
  2. Step 2: Convert to fraction form
    39,487.51/59,231.36 = 19,746.19/x
  3. Step 3: Cross multiply
    39,487.51x = 59,231.36 × 19,746.19
  4. Step 4: Simplify right side
    39,487.51x = 1,169,593,688.52
  5. Step 5: Solve for x
    x = 1,169,593,688.52/39,487.51
  6. Step 6: Final answer
    x = 29,619.33

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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.