Home / 38,707.77-58,071.66-12,412.74

Finding the Fourth Proportional to 38,707.77, 58,071.66 and 12,412.74

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Solution

The fourth proportional to 38,707.77, 58,071.66 and 12,412.74 is: 18,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.77 : 58,071.66 = 12,412.74 : x
  2. Step 2: Convert to fraction form
    38,707.77/58,071.66 = 12,412.74/x
  3. Step 3: Cross multiply
    38,707.77x = 58,071.66 × 12,412.74
  4. Step 4: Simplify right side
    38,707.77x = 720,828,416.95
  5. Step 5: Solve for x
    x = 720,828,416.95/38,707.77
  6. Step 6: Final answer
    x = 18,622.32

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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.