Home / 38,772.86-58,169.04-12,477.02

Finding the Fourth Proportional to 38,772.86, 58,169.04 and 12,477.02

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Solution

The fourth proportional to 38,772.86, 58,169.04 and 12,477.02 is: 18,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.86 : 58,169.04 = 12,477.02 : x
  2. Step 2: Convert to fraction form
    38,772.86/58,169.04 = 12,477.02/x
  3. Step 3: Cross multiply
    38,772.86x = 58,169.04 × 12,477.02
  4. Step 4: Simplify right side
    38,772.86x = 725,776,275.46
  5. Step 5: Solve for x
    x = 725,776,275.46/38,772.86
  6. Step 6: Final answer
    x = 18,718.67

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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.