Home / 45,047.16-67,580.28-13,459.68

Finding the Fourth Proportional to 45,047.16, 67,580.28 and 13,459.68

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Solution

The fourth proportional to 45,047.16, 67,580.28 and 13,459.68 is: 20,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,047.16 : 67,580.28 = 13,459.68 : x
  2. Step 2: Convert to fraction form
    45,047.16/67,580.28 = 13,459.68/x
  3. Step 3: Cross multiply
    45,047.16x = 67,580.28 × 13,459.68
  4. Step 4: Simplify right side
    45,047.16x = 909,608,943.11
  5. Step 5: Solve for x
    x = 909,608,943.11/45,047.16
  6. Step 6: Final answer
    x = 20,192.37

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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.