Home / 39,020.52-58,536.48-12,718.80

Finding the Fourth Proportional to 39,020.52, 58,536.48 and 12,718.80

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Solution

The fourth proportional to 39,020.52, 58,536.48 and 12,718.80 is: 19,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.52 : 58,536.48 = 12,718.80 : x
  2. Step 2: Convert to fraction form
    39,020.52/58,536.48 = 12,718.80/x
  3. Step 3: Cross multiply
    39,020.52x = 58,536.48 × 12,718.80
  4. Step 4: Simplify right side
    39,020.52x = 744,513,781.82
  5. Step 5: Solve for x
    x = 744,513,781.82/39,020.52
  6. Step 6: Final answer
    x = 19,080.06

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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.