Home / 50,712.19-75,778.28-38,637.99

Finding the Fourth Proportional to 50,712.19, 75,778.28 and 38,637.99

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Solution

The fourth proportional to 50,712.19, 75,778.28 and 38,637.99 is: 57,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.19 : 75,778.28 = 38,637.99 : x
  2. Step 2: Convert to fraction form
    50,712.19/75,778.28 = 38,637.99/x
  3. Step 3: Cross multiply
    50,712.19x = 75,778.28 × 38,637.99
  4. Step 4: Simplify right side
    50,712.19x = 2,927,920,424.86
  5. Step 5: Solve for x
    x = 2,927,920,424.86/50,712.19
  6. Step 6: Final answer
    x = 57,736.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.