Home / 53,050.52-79,575.79-13,607.63

Finding the Fourth Proportional to 53,050.52, 79,575.79 and 13,607.63

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Solution

The fourth proportional to 53,050.52, 79,575.79 and 13,607.63 is: 20,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.52 : 79,575.79 = 13,607.63 : x
  2. Step 2: Convert to fraction form
    53,050.52/79,575.79 = 13,607.63/x
  3. Step 3: Cross multiply
    53,050.52x = 79,575.79 × 13,607.63
  4. Step 4: Simplify right side
    53,050.52x = 1,082,837,907.28
  5. Step 5: Solve for x
    x = 1,082,837,907.28/53,050.52
  6. Step 6: Final answer
    x = 20,411.45

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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.