Home / 42,937.56-64,406.34-13,357.26

Finding the Fourth Proportional to 42,937.56, 64,406.34 and 13,357.26

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Solution

The fourth proportional to 42,937.56, 64,406.34 and 13,357.26 is: 20,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,937.56 : 64,406.34 = 13,357.26 : x
  2. Step 2: Convert to fraction form
    42,937.56/64,406.34 = 13,357.26/x
  3. Step 3: Cross multiply
    42,937.56x = 64,406.34 × 13,357.26
  4. Step 4: Simplify right side
    42,937.56x = 860,292,229.03
  5. Step 5: Solve for x
    x = 860,292,229.03/42,937.56
  6. Step 6: Final answer
    x = 20,035.89

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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.