Home / 58,541.18-80,786.13-31,683.05

Finding the Fourth Proportional to 58,541.18, 80,786.13 and 31,683.05

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Solution

The fourth proportional to 58,541.18, 80,786.13 and 31,683.05 is: 43,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,541.18 : 80,786.13 = 31,683.05 : x
  2. Step 2: Convert to fraction form
    58,541.18/80,786.13 = 31,683.05/x
  3. Step 3: Cross multiply
    58,541.18x = 80,786.13 × 31,683.05
  4. Step 4: Simplify right side
    58,541.18x = 2,559,550,996.10
  5. Step 5: Solve for x
    x = 2,559,550,996.10/58,541.18
  6. Step 6: Final answer
    x = 43,722.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.