Home / 39,637.72-59,457.66-11,557.09

Finding the Fourth Proportional to 39,637.72, 59,457.66 and 11,557.09

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Solution

The fourth proportional to 39,637.72, 59,457.66 and 11,557.09 is: 17,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637.72 : 59,457.66 = 11,557.09 : x
  2. Step 2: Convert to fraction form
    39,637.72/59,457.66 = 11,557.09/x
  3. Step 3: Cross multiply
    39,637.72x = 59,457.66 × 11,557.09
  4. Step 4: Simplify right side
    39,637.72x = 687,157,470.02
  5. Step 5: Solve for x
    x = 687,157,470.02/39,637.72
  6. Step 6: Final answer
    x = 17,335.95

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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.