Home / 45,501.49-68,259.57-15,918.67

Finding the Fourth Proportional to 45,501.49, 68,259.57 and 15,918.67

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Solution

The fourth proportional to 45,501.49, 68,259.57 and 15,918.67 is: 23,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,501.49 : 68,259.57 = 15,918.67 : x
  2. Step 2: Convert to fraction form
    45,501.49/68,259.57 = 15,918.67/x
  3. Step 3: Cross multiply
    45,501.49x = 68,259.57 × 15,918.67
  4. Step 4: Simplify right side
    45,501.49x = 1,086,601,569.17
  5. Step 5: Solve for x
    x = 1,086,601,569.17/45,501.49
  6. Step 6: Final answer
    x = 23,880.57

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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.