Home / 60,100.48-90,140.16-18,536.32

Finding the Fourth Proportional to 60,100.48, 90,140.16 and 18,536.32

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Solution

The fourth proportional to 60,100.48, 90,140.16 and 18,536.32 is: 27,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,100.48 : 90,140.16 = 18,536.32 : x
  2. Step 2: Convert to fraction form
    60,100.48/90,140.16 = 18,536.32/x
  3. Step 3: Cross multiply
    60,100.48x = 90,140.16 × 18,536.32
  4. Step 4: Simplify right side
    60,100.48x = 1,670,866,850.61
  5. Step 5: Solve for x
    x = 1,670,866,850.61/60,100.48
  6. Step 6: Final answer
    x = 27,801.22

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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.