Home / 39,888.92-59,831.20-12,184.76

Finding the Fourth Proportional to 39,888.92, 59,831.20 and 12,184.76

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Solution

The fourth proportional to 39,888.92, 59,831.20 and 12,184.76 is: 18,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.92 : 59,831.20 = 12,184.76 : x
  2. Step 2: Convert to fraction form
    39,888.92/59,831.20 = 12,184.76/x
  3. Step 3: Cross multiply
    39,888.92x = 59,831.20 × 12,184.76
  4. Step 4: Simplify right side
    39,888.92x = 729,028,812.51
  5. Step 5: Solve for x
    x = 729,028,812.51/39,888.92
  6. Step 6: Final answer
    x = 18,276.47

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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.