Home / 38,705.93-58,041.62-13,407.80

Finding the Fourth Proportional to 38,705.93, 58,041.62 and 13,407.80

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Solution

The fourth proportional to 38,705.93, 58,041.62 and 13,407.80 is: 20,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.93 : 58,041.62 = 13,407.80 : x
  2. Step 2: Convert to fraction form
    38,705.93/58,041.62 = 13,407.80/x
  3. Step 3: Cross multiply
    38,705.93x = 58,041.62 × 13,407.80
  4. Step 4: Simplify right side
    38,705.93x = 778,210,432.64
  5. Step 5: Solve for x
    x = 778,210,432.64/38,705.93
  6. Step 6: Final answer
    x = 20,105.72

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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.