Home / 63,720.09-87,935.99-35,041.95

Finding the Fourth Proportional to 63,720.09, 87,935.99 and 35,041.95

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Solution

The fourth proportional to 63,720.09, 87,935.99 and 35,041.95 is: 48,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.09 : 87,935.99 = 35,041.95 : x
  2. Step 2: Convert to fraction form
    63,720.09/87,935.99 = 35,041.95/x
  3. Step 3: Cross multiply
    63,720.09x = 87,935.99 × 35,041.95
  4. Step 4: Simplify right side
    63,720.09x = 3,081,448,389.57
  5. Step 5: Solve for x
    x = 3,081,448,389.57/63,720.09
  6. Step 6: Final answer
    x = 48,359.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.