Home / 53,012.54-79,518.41-13,031.35

Finding the Fourth Proportional to 53,012.54, 79,518.41 and 13,031.35

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Solution

The fourth proportional to 53,012.54, 79,518.41 and 13,031.35 is: 19,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.54 : 79,518.41 = 13,031.35 : x
  2. Step 2: Convert to fraction form
    53,012.54/79,518.41 = 13,031.35/x
  3. Step 3: Cross multiply
    53,012.54x = 79,518.41 × 13,031.35
  4. Step 4: Simplify right side
    53,012.54x = 1,036,232,017.07
  5. Step 5: Solve for x
    x = 1,036,232,017.07/53,012.54
  6. Step 6: Final answer
    x = 19,546.92

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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.