Home / 45,117.49-67,663.09-13,526.29

Finding the Fourth Proportional to 45,117.49, 67,663.09 and 13,526.29

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Solution

The fourth proportional to 45,117.49, 67,663.09 and 13,526.29 is: 20,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.49 : 67,663.09 = 13,526.29 : x
  2. Step 2: Convert to fraction form
    45,117.49/67,663.09 = 13,526.29/x
  3. Step 3: Cross multiply
    45,117.49x = 67,663.09 × 13,526.29
  4. Step 4: Simplify right side
    45,117.49x = 915,230,425.39
  5. Step 5: Solve for x
    x = 915,230,425.39/45,117.49
  6. Step 6: Final answer
    x = 20,285.49

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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.