Home / 40,284.81-60,430.46-13,630.55

Finding the Fourth Proportional to 40,284.81, 60,430.46 and 13,630.55

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Solution

The fourth proportional to 40,284.81, 60,430.46 and 13,630.55 is: 20,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.81 : 60,430.46 = 13,630.55 : x
  2. Step 2: Convert to fraction form
    40,284.81/60,430.46 = 13,630.55/x
  3. Step 3: Cross multiply
    40,284.81x = 60,430.46 × 13,630.55
  4. Step 4: Simplify right side
    40,284.81x = 823,700,036.25
  5. Step 5: Solve for x
    x = 823,700,036.25/40,284.81
  6. Step 6: Final answer
    x = 20,446.91

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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.