Home / 39,279.02-58,921.26-13,002.21

Finding the Fourth Proportional to 39,279.02, 58,921.26 and 13,002.21

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Solution

The fourth proportional to 39,279.02, 58,921.26 and 13,002.21 is: 19,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.02 : 58,921.26 = 13,002.21 : x
  2. Step 2: Convert to fraction form
    39,279.02/58,921.26 = 13,002.21/x
  3. Step 3: Cross multiply
    39,279.02x = 58,921.26 × 13,002.21
  4. Step 4: Simplify right side
    39,279.02x = 766,106,595.98
  5. Step 5: Solve for x
    x = 766,106,595.98/39,279.02
  6. Step 6: Final answer
    x = 19,504.22

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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.