Home / 30,424.55-45,605.76-20,564.84

Finding the Fourth Proportional to 30,424.55, 45,605.76 and 20,564.84

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Solution

The fourth proportional to 30,424.55, 45,605.76 and 20,564.84 is: 30,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.55 : 45,605.76 = 20,564.84 : x
  2. Step 2: Convert to fraction form
    30,424.55/45,605.76 = 20,564.84/x
  3. Step 3: Cross multiply
    30,424.55x = 45,605.76 × 20,564.84
  4. Step 4: Simplify right side
    30,424.55x = 937,875,157.48
  5. Step 5: Solve for x
    x = 937,875,157.48/30,424.55
  6. Step 6: Final answer
    x = 30,826.26

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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.