Home / 39,086.54-58,637.02-12,792.74

Finding the Fourth Proportional to 39,086.54, 58,637.02 and 12,792.74

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Solution

The fourth proportional to 39,086.54, 58,637.02 and 12,792.74 is: 19,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.54 : 58,637.02 = 12,792.74 : x
  2. Step 2: Convert to fraction form
    39,086.54/58,637.02 = 12,792.74/x
  3. Step 3: Cross multiply
    39,086.54x = 58,637.02 × 12,792.74
  4. Step 4: Simplify right side
    39,086.54x = 750,128,151.23
  5. Step 5: Solve for x
    x = 750,128,151.23/39,086.54
  6. Step 6: Final answer
    x = 19,191.47

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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.