Home / 58,518.09-80,733.18-38,386.14

Finding the Fourth Proportional to 58,518.09, 80,733.18 and 38,386.14

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Solution

The fourth proportional to 58,518.09, 80,733.18 and 38,386.14 is: 52,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.09 : 80,733.18 = 38,386.14 : x
  2. Step 2: Convert to fraction form
    58,518.09/80,733.18 = 38,386.14/x
  3. Step 3: Cross multiply
    58,518.09x = 80,733.18 × 38,386.14
  4. Step 4: Simplify right side
    58,518.09x = 3,099,035,150.13
  5. Step 5: Solve for x
    x = 3,099,035,150.13/58,518.09
  6. Step 6: Final answer
    x = 52,958.58

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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.