Home / 53,000.76-79,503.91-13,558.22

Finding the Fourth Proportional to 53,000.76, 79,503.91 and 13,558.22

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Solution

The fourth proportional to 53,000.76, 79,503.91 and 13,558.22 is: 20,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.76 : 79,503.91 = 13,558.22 : x
  2. Step 2: Convert to fraction form
    53,000.76/79,503.91 = 13,558.22/x
  3. Step 3: Cross multiply
    53,000.76x = 79,503.91 × 13,558.22
  4. Step 4: Simplify right side
    53,000.76x = 1,077,931,071.23
  5. Step 5: Solve for x
    x = 1,077,931,071.23/53,000.76
  6. Step 6: Final answer
    x = 20,338.03

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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.