Home / 38,990.05-58,484.50-9,407.63

Finding the Fourth Proportional to 38,990.05, 58,484.50 and 9,407.63

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Solution

The fourth proportional to 38,990.05, 58,484.50 and 9,407.63 is: 14,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,990.05 : 58,484.50 = 9,407.63 : x
  2. Step 2: Convert to fraction form
    38,990.05/58,484.50 = 9,407.63/x
  3. Step 3: Cross multiply
    38,990.05x = 58,484.50 × 9,407.63
  4. Step 4: Simplify right side
    38,990.05x = 550,200,536.74
  5. Step 5: Solve for x
    x = 550,200,536.74/38,990.05
  6. Step 6: Final answer
    x = 14,111.31

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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.