Home / 53,002.90-79,503.79-13,559.70

Finding the Fourth Proportional to 53,002.90, 79,503.79 and 13,559.70

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Solution

The fourth proportional to 53,002.90, 79,503.79 and 13,559.70 is: 20,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.90 : 79,503.79 = 13,559.70 : x
  2. Step 2: Convert to fraction form
    53,002.90/79,503.79 = 13,559.70/x
  3. Step 3: Cross multiply
    53,002.90x = 79,503.79 × 13,559.70
  4. Step 4: Simplify right side
    53,002.90x = 1,078,047,541.26
  5. Step 5: Solve for x
    x = 1,078,047,541.26/53,002.90
  6. Step 6: Final answer
    x = 20,339.41

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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.