Home / 39,220.56-58,839.48-12,924.18

Finding the Fourth Proportional to 39,220.56, 58,839.48 and 12,924.18

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Solution

The fourth proportional to 39,220.56, 58,839.48 and 12,924.18 is: 19,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.56 : 58,839.48 = 12,924.18 : x
  2. Step 2: Convert to fraction form
    39,220.56/58,839.48 = 12,924.18/x
  3. Step 3: Cross multiply
    39,220.56x = 58,839.48 × 12,924.18
  4. Step 4: Simplify right side
    39,220.56x = 760,452,030.63
  5. Step 5: Solve for x
    x = 760,452,030.63/39,220.56
  6. Step 6: Final answer
    x = 19,389.12

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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.