Home / 53,033.35-79,529.19-19,291.35

Finding the Fourth Proportional to 53,033.35, 79,529.19 and 19,291.35

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Solution

The fourth proportional to 53,033.35, 79,529.19 and 19,291.35 is: 28,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.35 : 79,529.19 = 19,291.35 : x
  2. Step 2: Convert to fraction form
    53,033.35/79,529.19 = 19,291.35/x
  3. Step 3: Cross multiply
    53,033.35x = 79,529.19 × 19,291.35
  4. Step 4: Simplify right side
    53,033.35x = 1,534,225,439.51
  5. Step 5: Solve for x
    x = 1,534,225,439.51/53,033.35
  6. Step 6: Final answer
    x = 28,929.45

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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.