Home / 39,661.26-59,490.95-11,580.18

Finding the Fourth Proportional to 39,661.26, 59,490.95 and 11,580.18

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Solution

The fourth proportional to 39,661.26, 59,490.95 and 11,580.18 is: 17,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.26 : 59,490.95 = 11,580.18 : x
  2. Step 2: Convert to fraction form
    39,661.26/59,490.95 = 11,580.18/x
  3. Step 3: Cross multiply
    39,661.26x = 59,490.95 × 11,580.18
  4. Step 4: Simplify right side
    39,661.26x = 688,915,851.47
  5. Step 5: Solve for x
    x = 688,915,851.47/39,661.26
  6. Step 6: Final answer
    x = 17,369.99

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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.